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प्रश्न
What is light? Define it.
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उत्तर
Light is a form of Energy i. e. The external physical cause that affects our eye to produce the sensation of vision.
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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 |
Write true or false of the following statement.
We can see an object through an opaque medium.
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 gives us the sensation of ................
Fill in the blank.
Light travels in a ................. path.
Tick the correct answer.
Substance which don’t allow light to pass through them,
In going from a rarer to denser medium, the ray of light bends ______.
State Rayleigh’s law of scattering.
List any five properties of light.
Light is a form of energy and it travels in a straight line.
