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प्रश्न
Velocity of light is greater in denser medium than in rarer medium
विकल्प
True
False
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उत्तर
Velocity of light is greater in denser medium than in rarer medium - false.
Correct Statement:
Velocity of light is lesser in a denser medium than in rarer medium
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संबंधित प्रश्न
Write true or false of the following statement.
Light travels in a straight-line path.
Write true or false of the following statement.
A shadow is formed because light travels in a straight-line path.
Fill in the blank.
Light travels in a ................. path.
What do we call a substance through which we cannot see light? Give an example of such a substance.
Write whether of the following objects are luminous or non-luminous.
| Object | Luminous/Non-luminous |
| A book | |
| A burning candle | |
| A wax cloth | |
| A pencil | |
| A pen | |
| A light bulb | |
| A tyre | |
| A torch |
Mirrors change the direction of light that fall on them.
If the energy of incident beam and the scattered beam is the same, then the scattering of light is called as ______ scattering.
Boojho made light from a laser torch fall on a prism. Will he be able to observe a band of seven colours? Explain with a reason.
Observe the picture given in the following figure carefully.
A patch of light is obtained at B, when the torch is lighted as shown. Which of the following is kept at position A to get this patch of light?
Using a pinhole camera a student observes the image of two of his friends, standing in sunlight, wearing yellow and red shirt respectively. What will be the colours of the shirts in the image?
