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Images formed by two plane mirrors

This type of question, asked 2 times: 2021 Paper 22, 8 Apr 2023. All 2 questions below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    2021 Paper 22

    13
    Two plane mirrors M1M_{1} and M2M_{2} are at right angle to each other shown. A point source ' PP ' is placed at ' aa ' and ' 2a2a ' meter away from M1M_{1} and M2M_{2} respectively. The shortest distance between the images thus formed is: (Take 5=2.3)\sqrt{5}= 2.3)

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  2. Question 2

    8 Apr 2023

    22
    Two vertical parallel mirrors AA and BB are separated by 10 cm10\text{ }cm. A point object OO is placed at a distance of 2 cm2\text{ }cm from mirror AA. The distance of the second nearest image behind mirror A from the mirror A is ____\_\_\_\_ cm.