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प्रश्न
Light travels at a lower speed in water than in air.
विकल्प
True
False
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उत्तर
True.
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संबंधित प्रश्न
The letter F is placed in front of a plane mirror:
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- What is the name of the phenomenon involved?
Write the word AMBULANCE as it would appear when reflected in a plane mirror. Why is it sometimes written in this way (as its mirror image) on the front of an ambulance?
An extended object in the form of an arrow pointing upward has been placed in front of a plane mirror. Draw a labelled ray-diagram to show the formation of its image.
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Write scientific reason.
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In the above diagram light is travelling through different media. It is noted by a scientist that ∠1= ∠3 = ∠4 but ∠2 < ∠1. Which of the following statement would be correct?
The bottom of swimming pool appears to be less deep than the actual one because of
