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Question
Assertion :Real images form on the side of a refracting surface that is opposite to the object and virtual images form on the same side as the object . Reason: Virtual images cannot be taken on screen.
Assertion :Real images form on the side of a refracting surface that is opposite to the object and virtual images form on the same side as the object . Reason: Virtual images cannot be taken on screen.
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Solution
The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
M1
, N1
and R1
indicate the initial position of mirror, initial normal and initial direction of
reflected light ray respectively. M2
, N2
and R2
indicate the final position of mirror, final normal and final
direction of reflected light ray respectively.From figure it is clear that ∠ ABC = 2φ + δ = 2(φ + θ ) or δ = 2θ.
M1 , N1 and R1 indicate the initial position of mirror, initial normal and initial direction of reflected light ray respectively. M2 , N2 and R2 indicate the final position of mirror, final normal and final direction of reflected light ray respectively.
From figure it is clear that ∠ ABC = 2φ + δ = 2(φ + θ ) or δ = 2θ.
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