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Light MCQ question and answer with solution | Physics Gk MCQs

Learn Light MCQ Questions and answers with easy and logical explanations in Physics Gk . Light MCQ question provides all type of technical mcq questions which is important for SSC-CGL, UPPSC, NDA, CDS and all govt examinations Page-4 section-3

Each section contains 100 MCQs on Light .
31
Which one of the following statement about the refractive index of a material medium with respect to air is correct?
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Answer & Solution
Answer: Option D
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32
What does prism do?
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Answer: Option C
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33
When an object is placed at the 2F1 position of a convex lens, what is the size of the image?
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Answer: Option A
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34
Optical fibres, though bent in any manner, allows light to pass through. What is the inference that one can draw from it?
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Answer: Option D
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35
Which one of the following is the natural phenomenon based on a simple periscope works?
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Answer: Option A
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36
The amount of light entering into eye can be controlled and regulated by . . . . . . . .
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Answer: Option C
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37
The diameter of the reflecting surface of a spherical mirror is called a/an-
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Answer: Option A
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38
The blue colour of water in the sea is due to
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Answer: Option A
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39
What is the reason behind the extraordinary shining of the diamond cuts in a proper way?
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Answer: Option B
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40
In a concave mirror if object is placed at centre of curvature then image will be . . . . . . . .
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Answer: Option D
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