Question Detail

PHY 104 Refraction Through Lenses and Optical Instruments Objective Question
Take CBT

Question

When light passes through a combination of two lenses, how is the final image determined?
Options
A The focal lengths of the lenses are averaged to find a combined focal length.
B The image formed by the first lens acts as the object for the second lens.
Correct Answer
C The powers of the lenses are multiplied to find the overall power.
D The magnification of each lens is added to find the total magnification.
Correct Answer

Option B is the correct answer.

Detailed Explanation

Page 19 states: 'When light passes through more than one lens, we find the image formed by the first lens as if it were alone. This image becomes the object for the second lens...'

Hint

Think of it as a sequential process where the output of one lens feeds into the next.

Question Info

Course: PHY 104
Topic: Refraction Through Lenses and Optical Instruments
Type: Objective
Difficulty: Not specified
Question 108 of 947
Previous Course Details Next