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An object is placed in front of a convex...

An object is placed in front of a convex mirror at a distance of 50cm. A plane mirror is introduced covering the lower half of the convex mirror. If the distance between the object and the plane mirror is 30cm, it is found that there is no parallax between the images formed by the two mirrors. What is the radius of curvature of the convex mirror?

A

12.5cm

B

25cm

C

50cm

D

100cm

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH SERIES-GEOMETRICAL OPTICS-ADDITIONAL PRACTICE EXERCISE (LEVEL-I (MAIN) STRAIGHT OBJECTIVE TYPE QUESTIONS)
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  11. A double convex lens of focal length 30 cm is made of glass. When it ...

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  12. A pin is placed 10cm in front of a convex lens of focal length 20cm, m...

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  14. A double convex lens is made of glass which has refractive inded 1.55 ...

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  19. A concave mirror forms a real image three times larger than the object...

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