Question Detail

PHY 104 Refraction Through Lenses and Optical Instruments Objective Question
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Question

In the thin lens equation sign conventions, the focal length (f) is considered positive for:
Options
A Diverging lenses only.
B Converging lenses only.
Correct Answer
C Both converging and diverging lenses.
D Lenses immersed in water.
Correct Answer

Option B is the correct answer.

Detailed Explanation

Page 13, point 1 states: 'The focal length is positive for converging lenses and negative for diverging.'

Hint

Remember the convention for how focal length is signed based on the lens's effect on light.

Question Info

Course: PHY 104
Topic: Refraction Through Lenses and Optical Instruments
Type: Objective
Difficulty: Not specified
Question 65 of 947
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