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(C) When a plane wavefront is incident on a thin convex lens,the lens causes the light rays to converge towards the focus. In diagram $(i)$,the wavefr

Vedclass · Accepted Answer

$i$ and $iv$ are true

Vedclass · Answer

(C) When a plane wavefront is incident on a thin convex lens,the lens causes the light rays to converge towards the focus. In diagram $(i)$,the wavefront after passing through the lens becomes spherical and converges towards the focus,which is the correct behavior for a convex lens. In diagram $(iv)$,the wavefront after passing through the lens also becomes spherical and converges towards the focus,representing the same correct physical phenomenon. Diagrams $(ii)$ and $(iii)$ show incorrect wavefront curvatures after refraction. Therefore,$(i)$ and $(iv)$ are the correct representations.

Carefully analyze the given diagrams and choose the correct option regarding the refraction of a plane wavefront by a thin convex lens:

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