lenses Flashcards

1
Q

in which type of lens do the light rays converge

A

convex

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2
Q

in which type of lens do light rays diverge

A

concave

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3
Q

which type of lens in thickets in the middle

A

convex

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4
Q

which type of lens in thinnest in the middle

A

concave

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5
Q

what are always the salt characteristics in a concave lens

A

s = smaller
a = upright
l = same side of lens as object
t = virtual

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6
Q

what happens when hits a lens what happens

A

1) light is refracted at the first air to glass surface
2) light travels through glass and is refracted again at the glass to air surface on the other side

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