Physics - Geometrical Optics Question with Solution | TestHub
PhysicsGeometrical OpticsReflection at curved surfaceMedium2 minQB
PhysicsMediumsingle choice
Passage / Comprehension
A concave mirror of radius of curvature 20 cm is shown in the figure. A circular disc of diameter 1 cm is placed on the principal axis of the mirror with its plane perpendicular to the principal axis at a distance 15 cm from the pole of the mirror. The radius of the disc is increasing according to the law cm/sec.
In the above question, the area of image of the disc at second is:
Options:
Answer:
B
Solution:
Stream:JEESubject:PhysicsTopic:Geometrical OpticsSubtopic:Reflection at curved surface
⏱ 2mℹ️ Source: QB
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