Question

A plane mirror is approaching you at 10 cm per sec. You can see your image in it . at what speed will your image approach you? 1. 10 cm/sec 2. 5 cm/sec 3. 20 cm/sec 4. 15 cm/sec

Answer 1

Explanation:

if a plane mirror is approaching to you with the speed of 10cm/s then at 1st second the distance b/w object and mirror will be 10, so the distance b/w object and image will be 2*10=20 b'coz in plane distance b/w object to mirror is same to the distance from image to mirror

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Answer 2

Answer:

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