DISPERSION DE LA LUMIÈRE

► Activités EXPÉRIMENTALES ⚓

Conseil :

Tu peux utiliser l'espace en bas ou à côté de chaque exercice pour mettre tes réponses

On éclaire une fente avec une lumière blanche. Le faisceau cylindrique obtenu est envoyé sur la face d'un prisme. On observe différentes couleurs sur un écran placé après le prisme.

1. Comment appelle-t-on ce phénomène observé à la sortie du prisme ?

</div><div class="studentInstruction "><p>2. Énumère les couleurs du bas vers le haut.</p></div><div class="studentArea "><textarea id="MKiUrVEBvRc4EqW7XWnc7c" rows="3" /></div></div></div></div></section><section class="section textActivity collapsed"><h2 class="section_ti" id="ylzc3AMwoHj25X3pS5AVYd"><a role="button" href="#" class="section_open" onkeydown="scDynUiMgr.handleBtnKeyDwn(event);" onkeyup="scDynUiMgr.handleBtnKeyUp(event);" onclick="scDynUiMgr.collBlkToggle(this, scPaLib.findNode('par:/nsi:div.section_co',this),'section_open','section_closed');return false;"><span>► Je m'entraîne</span></a><a href="#ylzc3AMwoHj25X3pS5AVYd" class="anchor" title="lier vers cette section"><span>⚓</span></a></h2><div class="section_co "><div class="advice block"><h3 id="dN4c" class="advice_ti block_ti"><span><i class="type"><span>Conseil</span></i><i class="separator"> : </i><span class="title" /></span></h3><div class="advice_co block_co"><div class="txt "><p>Tu peux utiliser l'espace en bas ou à côté de chaque exercice pour mettre tes réponses</p></div></div></div><div class="exercice cloze"><h3 id="dN5a" class="exercice_ti"><span>Exercice 1 : maîtrise de connaissance</span></h3><div class="exercice_co"><script type="text/JavaScript"><![CDATA[
var XrsVARInkmiCyQab93v1xd_AwithSol = {

fId : "XrsVARInkmiCyQab93v1xd",
	fCurSeq : null,
	initSeq : function(pCodeSeq){
	try {
		if(pCodeSeq==null) return;
		if(this.fCurSeq!=null) this.closeSeq();
		this.fCurSeq = pCodeSeq;
		switch(this.fCurSeq) {

case "play" : {
		var vForm = document.forms.XrsVARInkmiCyQab93v1xd_AwithSol_form;
		this._Sol = {Nde:{s:[{isMatch:function(pResp){if(typeof pResp == 'undefined') return false; pResp=pResp.toUpperCase().trim(); return 'LUMIÈRE BLANCHE'==pResp || false;}, score:1},null],min:0,max:1},Ne1:{s:[{isMatch:function(pResp){if(typeof pResp == 'undefined') return false; pResp=pResp.toUpperCase().trim(); return 'GOUTTELETTES'==pResp || false;}, score:1},null],min:0,max:1},Ne4:{s:[{isMatch:function(pResp){if(typeof pResp == 'undefined') return false; pResp=pResp.toUpperCase().trim(); return 'DISPERSION'==pResp || false;}, score:1},null],min:0,max:1},Ne7:{s:[{isMatch:function(pResp){if(typeof pResp == 'undefined') return false; pResp=pResp.toUpperCase().trim(); return 'SPECTRE'==pResp || false;}, score:1},null],min:0,max:1},Nea:{s:[{isMatch:function(pResp){if(typeof pResp == 'undefined') return false; pResp=pResp.toUpperCase().trim(); return 'DÉVIÉE'==pResp || false;}, score:1},null],min:0,max:1},Ned:{s:[{isMatch:function(pResp){if(typeof pResp == 'undefined') return false; pResp=pResp.toUpperCase().trim(); return 'POLYCHROMATIQUE'==pResp || false;}, score:1},null],min:0,max:1},Nf0:{s:[{isMatch:function(pResp){if(typeof pResp == 'undefined') return false; pResp=pResp.toUpperCase().trim(); return 'MONOCHROMATIQUE'==pResp || false;}, score:1},null],min:0,max:1},Nf6:{s:[{isMatch:function(pResp){if(typeof pResp == 'undefined') return false; pResp=pResp.toUpperCase().trim(); return 'VERT'==pResp || false;}, score:1},null],min:0,max:1},Nf9:{s:[{isMatch:function(pResp){if(typeof pResp == 'undefined') return false; pResp=pResp.toUpperCase().trim(); return 'NOIR'==pResp || false;}, score:1},null],min:0,max:1},Nfc:{s:[{isMatch:function(pResp){if(typeof pResp == 'undefined') return false; pResp=pResp.toUpperCase().trim(); return 'LUMIÈRE'==pResp || false;}, score:1},null],min:0,max:1},Nff:{s:[{isMatch:function(pResp){if(typeof pResp == 'undefined') return false; pResp=pResp.toUpperCase().trim(); return 'GOUTTELETTES'==pResp || false;}, score:1},null],min:0,max:1},_:null};
		this.getSolIdx = function(pFieldIndex){
			var vF = this._Sol[pFieldIndex];
			var vVal = vForm[pFieldIndex].value;
			for (var i = 0; i < vF.s.length-1; i++) if(vF.s[i].isMatch(vVal)) return i;
			return -1;
		};
		this.getFieldScore = function(pFieldIndex) {
			var vI = this.getSolIdx(pFieldIndex);
			if(vI >= 0) return this._Sol[pFieldIndex].s[vI].score;
			return 0;
		};
		this.refreshResultInput = function(pInput){
			if(this._resultDisplay == "none") pInput.parentNode.className="";
			else {
				var vSol = this._Sol[pInput.name];
				var vRes = Math.round((this.getFieldScore(pInput.name) - vSol.min) / (vSol.max - vSol.min) * 1);
				pInput.parentNode.className= "assmntResult_" + vRes;
			}
		};
var vLoadRespSession = "";

for (var i=0; i < vForm.length; i++) {
			var vFi = vForm.elements[i];
			if (vFi.name) {
				this.setInteraction(vFi, "enabled");
				vFi.value = vLoadRespSession == null ? "" : scServices.assmntMgr.getResponse(this.fId, vLoadRespSession, vFi.name) || "";
			}
		}
	this.refreshResult("none");

this.setSolution('collapsed', 'collapsed');
scAssmntMgr.setMode(sc$("XrsVARInkmiCyQab93v1xd_AwithSol_N_globalExp"), "collapsed");
scAssmntMgr.setMode(sc$("XrsVARInkmiCyQab93v1xd_AwithSol_N_score"), "invisible");
scAssmntMgr.setToggleStatus(sc$("XrsVARInkmiCyQab93v1xd_AwithSol_S_N6b"), false);
var vRespSession = "";
		if(scServices.assmntMgr.getCompletionStatus(this.fId, vRespSession)=="notAttempt") scServices.assmntMgr.setCompletionStatus(this.fId, vRespSession, "attempt");
		this.setResp = function(pInput) {
			scServices.assmntMgr.setResponse(this.fId, vRespSession, pInput.name, pInput.value);
			this.computeScore();
			scServices.assmntMgr.commit();
			this.refreshResultInput(pInput);
		}

this.computeScore = function() {

this.fMinPts = 0;
			this.fMaxPts = 0;
			for(var vF in this._Sol) if(vF!="_") {this.fMinPts += this._Sol[vF].min; this.fMaxPts += this._Sol[vF].max;}
			this.fScorePts = this.getFieldScore("Nde")+this.getFieldScore("Ne1")+this.getFieldScore("Ne4")+this.getFieldScore("Ne7")+this.getFieldScore("Nea")+this.getFieldScore("Ned")+this.getFieldScore("Nf0")+this.getFieldScore("Nf6")+this.getFieldScore("Nf9")+this.getFieldScore("Nfc")+this.getFieldScore("Nff")+0;

//alert("score:::::"+this.fMinPts+" - "+this.fScorePts+" - "+this.fMaxPts);
var vScoreSession = "";
			if(this.fScorePts != null) scServices.assmntMgr.setPts(this.fId, vScoreSession, this.fMinPts, this.fScorePts, this.fMaxPts);

this.refreshScoresFeedbacks();
		}

if(vRespSession != vLoadRespSession) {for (var i=0; i < vForm.length; i++) {var vFi = vForm.elements[i]; if (vFi.name) scServices.assmntMgr.setResponse(this.fId, vRespSession, vFi.name, vFi.value);}}
this.computeScore();

scServices.assmntMgr.commit();
		break;
	}

}
	}catch(e){alert("failed:::"+e)};
	},
	onActionN93 : function(pButton){
		if(scAssmntMgr.isDisabled(pButton)) return;
var vSess="";
scServices.assmntMgr.resetResponses(this.fId, vSess);
scServices.assmntMgr.setPts(this.fId, vSess, null, null, null); 
this.initSeq("play");

scServices.assmntMgr.commit();
	},
	onActionN6b : function(pButton){
		if(scAssmntMgr.isDisabled(pButton)) return;
		var vIsOn = scAssmntMgr.isToggleOn(pButton);
		if(vIsOn) {
scAssmntMgr.setMode(sc$("XrsVARInkmiCyQab93v1xd_AwithSol_N_score"), "invisible");
this.setSolution('collapsed', 'collapsed'); scAssmntMgr.setMode(sc$("XrsVARInkmiCyQab93v1xd_AwithSol_N_globalExp"), "collapsed");
var vForm=document.forms.XrsVARInkmiCyQab93v1xd_AwithSol_form; for (var i=0; i < vForm.length; i++) {var vFi = vForm.elements[i]; if (vFi.name) this.setInteraction(vFi, "enabled");}this.refreshResult("none");
		} else {
scAssmntMgr.setMode(sc$("XrsVARInkmiCyQab93v1xd_AwithSol_N_score"), "visible");
this.setSolution('collapsed', 'visible'); scAssmntMgr.setMode(sc$("XrsVARInkmiCyQab93v1xd_AwithSol_N_globalExp"), "visible");
var vForm=document.forms.XrsVARInkmiCyQab93v1xd_AwithSol_form; for (var i=0; i < vForm.length; i++) {var vFi = vForm.elements[i]; if (vFi.name) this.setInteraction(vFi, "disabled");}this.refreshResult("addClass");
		}
		scAssmntMgr.setToggleStatus(pButton, ! vIsOn);
		scServices.assmntMgr.commit();
	},

closeSeq: function(){
		var vForm = document.forms.XrsVARInkmiCyQab93v1xd_AwithSol_form;
		switch(this.fCurSeq) {

case "play" : {

break;
	}

}
		this.fCurSeq = null;
	},
	getOnLoadSeq:function() {

return "play";
	},

refreshScoresFeedbacks : function(){

var vScoreNode = sc$("XrsVARInkmiCyQab93v1xd_AwithSol_SNb2");

},
	setSolution : function(pIfRight, pIfNotBest){
		for(var vF in this._Sol) if(vF != "_") scAssmntMgr.setMode(sc$("XrsVARInkmiCyQab93v1xd_AwithSol_X_"+vF), this.getSolIdx(vF)==0 ? pIfRight || "collapsed" : pIfNotBest || "collapsed");
	},
	setInteraction : function(pElt, pMode){
		if(!pElt) return;
		switch(pMode) {
		case "collapsed" :
			pElt.style.display = "none";
			if("scSiLib" in window) scSiLib.fireResizedNode(pElt);
			break;
		case "invisible" :
			pElt.style.display = "";
			pElt.style.visibility = "hidden";
			if("scSiLib" in window) scSiLib.fireResizedNode(pElt);
			break;
		case "enabled" : 
		case "disabled" : 
			pElt.disabled = (pMode=="disabled");
		default :
			pElt.style.display = "";
			pElt.style.visibility = "visible";
			if("scSiLib" in window) scSiLib.fireResizedNode(pElt);
		}
	},
	refreshResult : function(pMode){
		this._resultDisplay = pMode || "none";
		var vForm = document.forms.XrsVARInkmiCyQab93v1xd_AwithSol_form;
		for (var i=0; i < vForm.length; i++) { var vFi = vForm.elements[i]; if (vFi.name) this.refreshResultInput(vFi);}

},
	onLoad: function(){
		if (!String.prototype.trim) {String.prototype.trim = function () {return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '');};}

this.initSeq(this.getOnLoadSeq()); 
		var vNodeRoot = sc$("XrsVARInkmiCyQab93v1xd_AwithSol_A");
		vNodeRoot.style.display = "block";

},
	onUnload: function(){
		this.closeSeq();
	},
	loadSortKey: "A",
	unloadSortKey: "A"
};

scOnLoads[scOnLoads.length] = XrsVARInkmiCyQab93v1xd_AwithSol;
scOnUnloads[scOnUnloads.length] = XrsVARInkmiCyQab93v1xd_AwithSol;
]]></script><div id="XrsVARInkmiCyQab93v1xd_AwithSol_A" style="display:none;"><div class="quizBody"><div class="question"><div><div><div class="studentInstruction "><p>Complète les phrases suivantes par les mots ou groupes de mots suivants :</p><p><strong>monochromatique ; spectre</strong> ; <strong>dispersion</strong> ; <strong>noire</strong> ; <strong>déviée</strong> ; <strong>vert</strong> ; <strong>gouttelettes</strong> ; <strong>polychromatique</strong> ; <strong>lumière</strong> <strong>blanche</strong> ; <strong>rouge.</strong></p></div></div></div></div><div class="response" aria-live="polite"><form action="javascript:void(0);" name="XrsVARInkmiCyQab93v1xd_AwithSol_form" id="XrsVARInkmiCyQab93v1xd_AwithSol_form"><p>Un prisme permet de décomposer la <span class="gap_tl "><span><input name="Nde" type="text" size="15" onblur="XrsVARInkmiCyQab93v1xd_AwithSol.setResp(this);" class="gapInput " /></span><span id="XrsVARInkmiCyQab93v1xd_AwithSol_X_Nde" class="gapAnswer "><span>lumière blanche</span></span></span> en plusieurs <span class="gap_tl "><span><input name="Ne1" type="text" size="15" onblur="XrsVARInkmiCyQab93v1xd_AwithSol.setResp(this);" class="gapInput " /></span><span id="XrsVARInkmiCyQab93v1xd_AwithSol_X_Ne1" class="gapAnswer "><span>gouttelettes</span></span></span>. C'est le phénomène de <span class="gap_tl "><span><input name="Ne4" type="text" size="15" onblur="XrsVARInkmiCyQab93v1xd_AwithSol.setResp(this);" class="gapInput " /></span><span id="XrsVARInkmiCyQab93v1xd_AwithSol_X_Ne4" class="gapAnswer "><span>dispersion</span></span></span> de la lumière. La bande colorée obtenue est appelée <span class="gap_tl "><span><input name="Ne7" type="text" size="15" onblur="XrsVARInkmiCyQab93v1xd_AwithSol.setResp(this);" class="gapInput " /></span><span id="XrsVARInkmiCyQab93v1xd_AwithSol_X_Ne7" class="gapAnswer "><span>spectre</span></span></span> de la lumière blanche. La radiation  est la moins déviée. La radiation violette est la plus <span class="gap_tl "><span><input name="Nea" type="text" size="15" onblur="XrsVARInkmiCyQab93v1xd_AwithSol.setResp(this);" class="gapInput " /></span><span id="XrsVARInkmiCyQab93v1xd_AwithSol_X_Nea" class="gapAnswer "><span>déviée</span></span></span> Une lumière formée de plusieurs radiations est une lumière <span class="gap_tl "><span><input name="Ned" type="text" size="15" onblur="XrsVARInkmiCyQab93v1xd_AwithSol.setResp(this);" class="gapInput " /></span><span id="XrsVARInkmiCyQab93v1xd_AwithSol_X_Ned" class="gapAnswer "><span>polychromatique</span></span></span> Une lumière formée d'une seule radiation est dite <span class="gap_tl "><span><input name="Nf0" type="text" size="15" onblur="XrsVARInkmiCyQab93v1xd_AwithSol.setResp(this);" class="gapInput " /></span><span id="XrsVARInkmiCyQab93v1xd_AwithSol_X_Nf0" class="gapAnswer "><span>monochromatique</span></span></span>. La superposition des sept principales couleurs donne</p><p>. Un objet a une couleur verte parce qu'il absorbe toutes les autres couleurs de la lumière blanche sauf le <span class="gap_tl "><span><input name="Nf6" type="text" size="15" onblur="XrsVARInkmiCyQab93v1xd_AwithSol.setResp(this);" class="gapInput " /></span><span id="XrsVARInkmiCyQab93v1xd_AwithSol_X_Nf6" class="gapAnswer "><span>vert</span></span></span> Un objet est <span class="gap_tl "><span><input name="Nf9" type="text" size="15" onblur="XrsVARInkmiCyQab93v1xd_AwithSol.setResp(this);" class="gapInput " /></span><span id="XrsVARInkmiCyQab93v1xd_AwithSol_X_Nf9" class="gapAnswer "><span>noir</span></span></span> parce qu'il absorbe toutes les couleurs de la lumière blanche. L'arc en ciel est obtenu par la décomposition de la <span class="gap_tl "><span><input name="Nfc" type="text" size="15" onblur="XrsVARInkmiCyQab93v1xd_AwithSol.setResp(this);" class="gapInput " /></span><span id="XrsVARInkmiCyQab93v1xd_AwithSol_X_Nfc" class="gapAnswer "><span>lumière</span></span></span> du soleil par les <span class="gap_tl "><span><input name="Nff" type="text" size="15" onblur="XrsVARInkmiCyQab93v1xd_AwithSol.setResp(this);" class="gapInput " /></span><span id="XrsVARInkmiCyQab93v1xd_AwithSol_X_Nff" class="gapAnswer "><span>gouttelettes</span></span></span> d'eau de l'atmosphère.</p></form></div><div class="toolbar"><a role="button" title="Afficher le score et la correction" href="#" onkeydown="scDynUiMgr.handleBtnKeyDwn(event);" onkeyup="scDynUiMgr.handleBtnKeyUp(event);" onclick="XrsVARInkmiCyQab93v1xd_AwithSol.onActionN6b(this); return false;" class="btnQuiz correction " id="XrsVARInkmiCyQab93v1xd_AwithSol_S_N6b"><span>Correction</span></a><a role="button" title="Effacer les réponses" href="#" onkeydown="scDynUiMgr.handleBtnKeyDwn(event);" onkeyup="scDynUiMgr.handleBtnKeyUp(event);" onclick="XrsVARInkmiCyQab93v1xd_AwithSol.onActionN93(this); return false;" class="btnQuiz reset "><span>Recommencer</span></a><span class="scoreBox"><span class="score " aria-live="polite" id="XrsVARInkmiCyQab93v1xd_AwithSol_N_score"><span id="XrsVARInkmiCyQab93v1xd_AwithSol_SNb2"><span /></span></span></span></div></div></div></div></div><div class="info "><h3 id="dNea" class="info_ti"><span>Exercice 2 : L'arc-en ciel</span></h3><div class="info_co "><div class="visavis half-half"><div class="first"><div class="txt "><p>Un arc-en-ciel est obtenu par l'action des gouttelettes d'eau de l'atmosphère sur la lumière du soleil.</p><p>Réponds à chaque question en mettant ta réponse dans le bloc en face.</p></div></div><div class="next"><div class="txt "><figure role="group" class="image"><div><a href="../res/dispersion_lumiere.jpg" class="adaptedlnk zoom" target="_blank" onclick="scImgMgr.loading(); return false;" title="Cliquez pour agrandir (nouvelle fenêtre)"><img src="../res/dispersion_lumiere_1.jpg" class="adapted " width="400" height="225" alt="" /></a></div><figcaption><span class="hidden"> | </span><a href="#footnotesN1a6" class="tooltip_a info" id="i4" title="Informations complémentaires..."><span>Informations</span></a><sup class="tooltip_ref"><a href="#footnotesN1a6"><span>[</span>*<span>]</span></a></sup></figcaption></figure></div></div></div><div class="visavis half-half"><div class="first"><div class="studentInstruction "><p>Quel est le phénomène subi par la lumière blanche du soleil traversant les gouttelettes d'eau?</p></div></div><div class="next"><div class="studentArea "><textarea id="HaLkg2szXFkxssVK8jFNCf" rows="3" /></div></div></div><div class="visavis half-half"><div class="first"><div class="studentInstruction "><p>Indique le rôle joué par le soleil, les gouttelettes d'eau de pluie dans la formation de l'arc-enciel</p></div></div><div class="next"><div class="studentArea "><textarea id="TzUolGSMoudElCAUywefTi" rows="3" /></div></div></div><div class="visavis half-half"><div class="first"><div class="studentInstruction "><p>Cite les principales couleurs de l'arc- en- ciel. Précise leur ordre.</p></div></div><div class="next"><div class="studentArea "><textarea id="xIE3MDps9UfYgYdXjA4g6c" rows="3" /></div></div></div></div></div><div class="info "><h3 id="dN12a" class="info_ti"><span>Exercice 3 : Nature de la lumière</span></h3><div class="info_co "><div class="txt "><p>Réponds à chaque question en mettant ta réponse dans le bloc en face.</p></div><div class="visavis half-half"><div class="first"><div class="studentInstruction "><p>Définis une lumière monochromatique et donne un exemple de source lumineuse monochromatique.</p></div></div><div class="next"><div class="studentArea "><textarea id="pxGFrWVproinkcp6J3jTvf" rows="3" /></div></div></div><div class="visavis half-half"><div class="first"><div class="studentInstruction "><p>Définis une lumière polychromatique et donne un exemple de source lumineuse polychromatique</p></div></div><div class="next"><div class="studentArea "><textarea id="kYmYG6VsPIok2QtMjI5Fe" rows="3" /></div></div></div></div></div><div class="info "><h3 id="dN144" class="info_ti"><span>Exercice 4 : Couleur des objets</span></h3><div class="info_co "><div class="visavis half-half"><div class="first"><div class="txt "><p>On éclaire une pomme avec la lumière blanche. On la voit rouge.</p></div><div class="txt "><figure role="group" class="image"><div><img src="../res/pomme.png" class="adapted " width="237" height="245" alt="" /></div></figure></div></div><div class="next"><div class="studentInstruction "><p>Explique le phénomène dans le bloc en face</p></div><div class="studentArea "><textarea id="Wt4Pv5Vpj4Y5KjYFTNsue" rows="4" /></div></div></div></div></div></div></section><section class="section textActivity collapsed"><h2 class="section_ti" id="dPuBd7GJwJbJjT8Dnva29g"><a role="button" href="#" class="section_open" onkeydown="scDynUiMgr.handleBtnKeyDwn(event);" onkeyup="scDynUiMgr.handleBtnKeyUp(event);" onclick="scDynUiMgr.collBlkToggle(this, scPaLib.findNode('par:/nsi:div.section_co',this),'section_open','section_closed');return false;"><span>► J'intègre</span></a><a href="#dPuBd7GJwJbJjT8Dnva29g" class="anchor" title="lier vers cette section"><span>⚓</span></a></h2><div class="section_co "><div class="advice block"><h3 id="dN16e" class="advice_ti block_ti"><span><i class="type"><span>Conseil</span></i><i class="separator"> : </i><span class="title" /></span></h3><div class="advice_co block_co"><div class="txt "><p>Tu peux utiliser l'espace en bas ou à côté de chaque exercice pour mettre tes réponses</p></div></div></div><div class="info "><div class="info_co "><div class="txt "><p>Moctar, habillé en noir et Fatou en blanc, vont à l'école lors d'un après-midi ensoleillé. Moctar étouffe de chaleur et Fatou se sent à l'aise.</p></div><div class="studentInstruction "><p>Donne une explication à chacune de leur sensation dans le bloc ci-dessous</p></div><div class="studentArea "><textarea id="yBPUz5reRodOxQZahB7Sne" rows="3" /></div><div class="txt "><p>A la tombée de la nuit, ils traversent une route très fréquentée par des voitures à phares blancs.</p></div><div class="studentInstruction "><p>Lequel des deux est le plus en danger ? justifie ta réponse.</p></div><div class="studentArea "><textarea id="uXEhEYkk1qdyT2BiLQDOWh" rows="3" /></div></div></div></div></section></section><div class="references" /><aside class=" footnotes"><h2 class="footnotes_ti">Renvois & Notes</h2><ul class="footnotes_li" data-titled-basket="true"><li class="footnotes_it" id="footnotesN1a6"><div class="footnotes_itti"><span>Informations</span></div><div class="footnotes_itco"><span class="legalInfo"><p><a class="link" target="_blank" href="http://qcm-sciencesphysiques.blogspot.com/p/chapitre-3-refraction-et-dispersion-de.html" rel="noopener" title="QCM Sciences physiques (nouvelle fenêtre)"><span>QCM Sciences physiques</span></a></p></span></div></li></ul></aside><hr class="hidden" /></div><nav id="outline" role="navigation"><ul class="pageOutline"><li><a href="#CcI6H79O3dfWmdecqQdDle" class="section_ti_lo "><span>► Activités EXPÉRIMENTALES</span></a><ul /></li><li><a href="#ylzc3AMwoHj25X3pS5AVYd" class="section_ti_lo "><span>► Je m'entraîne</span></a><ul /></li><li><a href="#dPuBd7GJwJbJjT8Dnva29g" class="section_ti_lo "><span>► J'intègre</span></a><ul /></li></ul><hr class="hidden" /></nav><aside id="illustration"><img src="../res/dispersion_lumiere_2.jpg" alt="" /></aside></main><footer id="footer" role="contentinfo"><span class="footerInfo" /><a class="madeWith " target="_blank" href="https://www.reseau-canope.fr" title="Réalisé avec Canoprof (nouvelle fenêtre)"><span><img alt="Réalisé avec Canoprof (nouvelle fenêtre)" src="../skin/img/madewith.png" /></span></a></footer></div>
  <script type="text/JavaScript" src="../skin/skin.js" />
  <script type="text/javascript"><![CDATA[searchMgr.init({searchType:"treeResults"});tplMgr.init();scCodeMgr.init();scMediaMgr.init("des:.mediaPlayer",{processYoutubeUrls :true});scImgMgr.init();screenMgr.init();mathjaxMgr.init(false);scTooltipMgr.registerTooltip("i4","footnotesN1a6","onclick","tooltip","",{STICKY:true,FOCUS:true,MAXWIDTH:300,CLSBTN:true,CLSBTNCAP:"✖",CLSBTNTI:"Fermer"});]]></script></body></html>

► Activités EXPÉRIMENTALES⚓

Conseil :

► Activités EXPÉRIMENTALES ⚓