1
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
For a plano convex lens ($$\mu $$ = 1.5) has radius of curvature 10 cm. It is silvered on its plane surface. Find focal length after silvering
A
10 cm
B
20 cm
C
15 cm
D
25 cm
2
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Rainbow is formed due to
A
scattering and refraction
B
internal reflection and dispersion
C
reflection only
D
diffraction and dispersion.
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Graduate Aptitude Test in Engineering
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