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प्रश्न
Answer the following.
Differentiate between luminous and non-Luminous objects.
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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
How does light make an object visible?
Name two natural sources of light.
What do we call a substance through which light passes? Give an example of such a substance.
From among the following objects, list out the opaque, translucent, and transparent bodies in the space provided below:
A glass strip, an ordinary paper, greased paper, tracing paper, polythene sheet, wooden piece, steel plate, glycerine, kerosene oil, mustard oil, grounded glass, stone, book, water, and milk.
Opaque Transparent Translucent
Fill in the blank
The brightness of light is measured in ...................
Write true or false
The earth has its own light.
Answer the following.
List four natural sources of light.
Mirrors change the direction of light that fall on them.
Describe the pictures.
When a beam of white light passes through a prism it gets ______.
