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Friday, 9 October

JEE Main 2017 · PhysicsMultiple choiceSingle correctMediumMulti-step

JEE Main 2 April 2017 (offline), Physics Q22

Question 22 of 90 in this shift, Physics question 22 of 30.

A diverging lens with magnitude of focal length 25 cm is placed at a distance of 15 cm from a converging lens of magnitude of focal length 20 cm. A beam of parallel light falls on the diverging lens. The final image formed is :
  1. (1)real and at a distance of 40 cm from convergent lens.Official answer
  2. (2)virtual and at a distance of 40 cm from convergent lens.
  3. (3)real and at a distance of 40 cm from the divergent lens.
  4. (4)real and at a distance of 6 cm from the convergent lens.

Official answer

Option 1

CBSE answer key (25/04/2017, used for result).

Chapter
Ray Optics and Optical Instruments
Topic
Lens Maker's Formula
Idea tested
Lenses Separated by a Distance

Same idea in other shifts

Asked 3× in all
  1. 5 Apr 2026, Shift 2 · Q41An object ABAB is placed 15 cm on the left of a convex lens PP of focal length 10 cm. Another convex lens QQ is now placed 15 cm right…MediumSingle correct
  2. 7 Apr 2025, Shift 1 · Q27Two thin convex lenses of focal lengths 30 cm and 10 cm are placed coaxially, 10 cm apart. The power of this combination is:EasySingle correct

Question text from the official JEE Main paper published by NTA (CBSE ran the 2017 exam); answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.