A conversing lens has a focal length of 20 cm in air it is made of a materials of refractive index 1.5 if it is immerse in water of refractive index 4 /3.,what will be the new focal length?
Answers
Answered by
0
This is a trick question.... focal length of a mirror/ lens can NEVER change
dikshitajha2001:
How it is silved
Similar questions