Class 12

27. Ray Optics question bank (Physics)

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Q1.

The wavelength of light belongs to the .......... part of the spectrum:

(A)
Visible
(B)
Ultraviolet
(C)
Infrared
(D)
Both (1) and (3)
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Q2.

A boy of height 1 m stands in front of a convex mirror. His distance from the mirror is equal to its focal length. The height of his image is :

(A)
0.25 m
(B)
0.33 m
(C)
0.5 m
(D)
0.67 m
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