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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 ______. -

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Question

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

Options

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  • 30

  • 0

MCQ
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Solution

A concave mirror of radius 30 cm is placed in water. It’s focal length in air and water differ by 0.

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