Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5

Q.

An object is located in a fixed position in front of a screen. Sharp image is obtained on the screen for two positions of a thin lens separated by 12cm .The size of the images in two situations are in the ratio 4 : 1. What is the distance between the screen and the object? 

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away
An Intiative by Sri Chaitanya

a

12 cm

b

36 cm

c

18 cm

d

24 cm

answer is D.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

|m1|=x2x1|m2|=x1x2m1m2=(x2x1)2(x2x1)2=41x2x1=21x2x1=12cm2x1x1=12+24=36cm

Watch 3-min video & get full concept clarity

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon