caracteristique Flashcards

1
Q

si image est inverse

A

elle est réelle

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2
Q

si image droite

A

elle est virtuelle

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3
Q

si inverse/ réelle G est cmt

A

G negatif

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4
Q

si droite/virtuelle G?

A

G+

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5
Q

ho et do sont

A

tjrs +

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6
Q

hi et di

A

peuvent pas etre mm signe

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7
Q

formule 1

A

G= -di/do = hi/ho

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8
Q

formule 2

A

1/do + 1/di = 1/lf

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9
Q

mirror convexe

A

lf -, image +petit

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10
Q

mirroir concave

A

lf +, caractéristiques varient

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11
Q

si G= -4

A

image plus grande, inverse et reelle

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12
Q

si G= 0,5

A

image 2x +petit, droite et virtuelle

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13
Q

si di negatif

A

image autre côté miroir, et hi est + cv dire mm sense donc droite, virtuelle

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14
Q

point S, C et F

A

s=sommet sur miroir, C= cenre courbure donc le rayon, F=foyer, donc 1/2 rayon

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15
Q

si lf -

A

lf de lautre cote miroir donc miroir bomber=convexe

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16
Q

si lf+

A

lf mm cote que miroir, donc miroir concave

17
Q

si image droite

A

hi+ di- G+ et virtuelle donc derrière miroir

18
Q

si image inverse (?hi/di et G)

A

hi- et di+ donc G-

19
Q

si image (G) 2x plus grande distance…

A

la distance est 2x donc image plus loin du miroir

20
Q

image virtuelle placement

A

directement droite et derrière miroir (hi+ di-)

21
Q

image reelle placement

A

directement inverse et devant le miroir (hi- di+)

22
Q

si image capte par ecran

A

reelle et inverse