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प्रश्न
Answer the following.
Name some sources of light that are not hot.
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उत्तर
Moon, jugnu.
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संबंधित प्रश्न
Match the following
| (a). A light ray passes from air to glass | (1) . speeds up |
| (b). A light ray passes from glass to water | (2). reflects red light |
| (c). Virtual image | (3). primary colours |
| (d). Red rose | (4). plane mirror |
| (e). Red, green, and blue | (5). slows down |
Is the moon a luminous object?
Why do objects in a room become visible even if sunlight does not enter it?
Write true or false
The stars have no light.
Answer the following.
List four natural sources of light.
________ objects allow all the light to pass through them.
Sunlight is a blend of______ colors
State whether true or false. If false, correct the statement.
If a ray of light passes obliquely from one medium to another, it does not suffer any deviation.
If VB, VG, VR be the velocity of blue, green, and red light respectively in a glass prism, then which of the following statement gives the correct relation?
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?
