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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 |
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उत्तर
| (a). A light ray passes from air to glass | (5). slows down |
| (b). A light ray passes from glass to water | (1) . speeds up |
| (c). Virtual image | (4). plane mirror |
| (d). Red rose | (2). reflects red light |
| (e). Red, green, and blue | (3). primary colours |
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संबंधित प्रश्न
Write true or false of the following statement.
A shadow is formed because light travels in a straight-line path.
Select the correct alternative.
The luminous body is
What do we call a substance through which light passes? Give an example of such a substance.
Write the names of some cold light-emitting objects.
Tick the correct answer.
Light causes
Write true or false
The earth has its own light.
_______ is the natural source that stimulates sight and makes things visible.
Light travels only in a______ It is because of this property that______ are formed.
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?
List any five properties of light.
