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प्रश्न
Differentiate between the luminous and non-luminous bodies. Give two examples of each.
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उत्तर
Luminous
The bodies which have the light of their own e.g. sun stars, bulb, candle, oil lamp, torch, a lantern.
Non-Luminous
The bodies-which do not have their own Light. e.g. moon, chair, table. When light falls on them, they become visible.
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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 |
Fill in the blank.
The sun is a ............... source of light.
What do we call an electric bulb producing light?
Tick the correct answer
Glass is
When light passes through a prism, it gets separated into ______ colours.
When a ______ object comes in the way of light, light passes ______ it.
Mirrors change the direction of light that fall on them.
Sunlight is a blend of______ colors
In going from a rarer to denser medium, the ray of light bends ______.
If the energy of incident beam and the scattered beam is the same, then the scattering of light is called as ______ scattering.
