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
A tall man of height 6 feet, want to see his full image. Then required minimum length of the mirror will be
A
12 feet
B
3 feet
C
6 feet
D
any length
3
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
A bubble in glass slab ($$\mu $$ = 1.5) when viewed from one side appears at 5 cm and 2 cm from other side, then thickness of slab is
A
3.75 cm
B
3 cm
C
10.5 cm
D
2.5 cm.
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