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Classify the objects or Materials given …

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Classify the objects or Materials given below as luminous or non- luminous a sheet of card board, a lighted torch, a number wire mesh, the flame of a gas burner, sun, a wall
  • 1 answers

Meghna Thapar 5 years, 9 months ago

The objects which give out their own light are called luminous objects. Examples – sun, stars, burning candle, lighted torch, etc. A luminous object can be seen because the light given out by it enters our eyes.

The objects which do not give out their own light are called non-luminous objects. Examples – table, chair, trees, flower-pot, a pencil, a car, a wall, card board, a wire mesh, etc. The non-luminous objects can be seen because they reflect light into our eyes. 

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