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JEE PHYSICS MCQ: RAY OPTICS

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Understanding +4 | -1
If the lower half of a concave mirror’s reflecting surface is made opaque, which of the following statements describe the image of an object placed infront of the mirror

S1\mathrm{S1}: Intensity of the image will increase

S2\mathrm{S2}: The image will show only half of the object

S3\mathrm{S3}: No change in the image

S4\mathrm{S4}: Intensity of the image will be reduced to half
View answer and explanation
Correct option: D
S4\mathrm{S4} only
Option D (S4 only) is correct because blocking half the mirror reduces the intensity of the image to half, but the entire object's image is still formed.

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