Learn

Saturday, 31 October

JEE Main 2023 · PhysicsNumerical answerNumerical valueHardMulti-step

JEE Main 8 April 2023, Shift 1, Physics Q56

Question 56 of 90 in this shift, Physics question 26 of 30, Section B.

Two vertical parallel mirrors A and B are separated by 10 cm10\ \mathrm{cm}. A point object O is placed at a distance of 2 cm2\ \mathrm{cm} from mirror A. The distance of the second nearest image behind mirror A from the mirror A is ________ cm.

The figure, in words

Two vertical parallel plane mirrors A (left) and B (right), 10 cm apart; point object O between them at 2 cm from mirror A.

Official answer

18

NTA final key.

Chapter
Ray Optics and Optical Instruments
Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. This question needs a figure we do not reproduce; it is described in words above. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.