Physics - Geometrical Optics Question with Solution | TestHub
PhysicsGeometrical OpticsRefraction at curved surface/LensMedium2 minQB
PhysicsMediummultiple choice
An object and a screen are fixed at a distance d apart. When a lens of focal length f is moved between the object and the screen, sharp images of the object are formed on the screen for two positions of the lens. The magnifications produced at these two positions are and :
Options:(select one or more)
Answer:
B, C
Solution:
Two sharp images on the screen require (B correct, A wrong).
If u is the object distance, d-u is the image distance at one position and vice versa: , so (C correct, D wrong).
Subject:PhysicsTopic:Geometrical OpticsSubtopic:Refraction at curved surface/Lens
⏱ 2mℹ️ Source: QB
Doubts & Discussion
Loading discussions...
