A concave mirror of radius 30 cm is placed in water. It’s focal length in air and water differ by

May 2, 2022

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A concave mirror of radius 30 cm is placed in water. It’s focal length in air and water differ by

Q. A concave mirror of radius 30 cm is placed in water. It’s focal length in air and water differ by

A. 15

B. 20

C. 30

D. 0

Answer: 0

A concave mirror of radius 30 cm is placed in water. It’s focal length in air and water differ by

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An object at a distance of 30 cm from a concave mirror gets its image at the same point. The focal length of the mirror is

A concave mirror of radius 30 cm is placed in water. It’s focal length in air and water differ by

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The angle of incidence for a ray of light having zero reflection angle is

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