Luminous objects, Sun, Books, Chair, Plants, Toys, Desk, Aritifical souresvof light, Sun, Moon, Stars, Torch, Firefly, Don't know, Non lumnious object , Sun, Toys, Plants, Desk, Book , Straw, Natural sources of light, Torch , Led light, Candle, Electric bulb, Tubelights, Fire-fly, Light is not form of energy, True, False, Light always travel in a straight line, False, True, Light speed is 3×10890 m/s, False, True.

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