Physics, asked by gangarapuraj, 7 hours ago

describe an activity to determine focal length of concave mirror

Answers

Answered by mk28816615

Explanation:

Hold a concave mirror in your hand and direct it towards the screen. Direct the light reflected by the mirror on to a sheet of paper held close to the mirror. Move the sheet back and forth slowly until a bright, sharp spot of light is seen on the paper

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