A) 20 cm
B) 10 cm
C) 25 cm
D) 30 cm
Correct Answer: B
Solution :
[b]![]() |
Image formed by lens |
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If image position does not change even when mirror is removed it means image formed by lens is formed at centre of curvature of spherical mirror. |
Radius of curvature of mirror = 80 - 60 = 20 cm |
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for virtual image, object is to be kept between focus and pole. |
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