Question Detail

PHY 104 Refraction Through Lenses and Optical Instruments Objective Question
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Question

When is the object distance (dₒ) for a thin lens considered positive, according to the provided sign conventions?
Options
A When the object is on the opposite side from the light entering the lens.
B When the object is virtual.
C When the object is on the same side as the light entering the lens.
Correct Answer
D When the object is inverted.
Correct Answer

Option C is the correct answer.

Detailed Explanation

Page 13 specifies: 'The object distance is positive when the object is on the same side as the light entering the lens (not an issue except in compound systems); otherwise it is negative.'

Hint

This is the standard convention for real objects placed in front of a lens.

Question Info

Course: PHY 104
Topic: Refraction Through Lenses and Optical Instruments
Type: Objective
Difficulty: Not specified
Question 106 of 947
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