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150 questions
11
Optics
Moderate
+1.0
-0.25
The speed of light in vacuum is nearly –
12
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+1.0
-0.25
The speed of light is –
13
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Velocity of light is maximum in—
14
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Light travels at a maximum speed in :
15
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-0.25
The speed of light will be minimum while passing through–
16
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-0.25
The time taken to reach the sunlight up to the surface of Earth is approximately—
17
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Light from the Sun reaches Earth in about :
18
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The sunlight from the Sun to the Earth reaches in :
19
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-0.25
Which of the following has the highest velocity?
20
Optics
Moderate
+1.0
-0.25
Which of the following does not change when light travels from one medium to another?