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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-2 section-5

Each section contains 100 MCQs on Light .
11
Danger signals are generally red as light
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Answer & Solution
Answer: Option B
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12
An air bubble inside water behaves as a
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Answer: Option C
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13
Total internal reflection can take place when light travels from
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Answer: Option A
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14
Which of these devices uses only convex lenses?
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Answer: Option C
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15
A cut diamond shines brilliantly due to
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Answer: Option B
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16
Total internal reflection cannot take place when light goes from
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Answer: Option B
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17
Sky is blue because
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Answer: Option B
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18
How is the refractive index of a substance related to the speed of light in air?
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Answer: Option D
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19
When a ray of light enters a glass slab, then
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Answer: Option C
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20
Reading glasses are made from which type of lenses?
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Answer & Solution
Answer: Option B
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