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JEE Main 20238 AprilMorning Shift
Exam
JEE Main
Year
2023
Date
8 April
Shift
Morning Shift
Subject
Physics
Chapter
Ray Optics

JEE Main 2023 · 8 April · Morning Shift · Physics · Ray Optics

Two vertical parallel mirrors A and B are separated by 10 cm. A...

Two vertical parallel mirrors AA and BB are separated by 1010 cm. AA point object OO is placed at a distance of 2cm2cm from mirror A.A . The distance of the second nearest image behind mirror AA from the mirror AA is _______cm .

Two vertical parallel mirrors A and B are separated by 10 cm. A point object O is placed at a distance of 2cm from

Correct answer

18

Step-by-step solution

Two vertical parallel mirrors A and B are separated by 10 cm. A point object O is placed at a distance of 2cm from

As can be seen from the image above, object distance is 8cm8cm [For image by BB]

In a plane mirror the image distance is equal to the object distance. Thus, the required distance is

8+8+2cm=18cm8 + 8 + 2cm = 18cm

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