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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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