1) Which of these is a trans parent object a) b) c) 2) Give too examples of luminous object a) Sun , stars b) Moon, sun c) Torch, candle 3) Two examples of natural sources a) b) c) 4) The activity shows. a) Light travels in straigtht lines b) Light travels in path line c) Light travels in straight line. 5) Which type of object is fig B a) Transparent b) Translucent c) Opaque 6) There are ____types of sources of light name them. a) 2, luminous and non luminous b) 2, natural and artificial c) 3 7) Which object is this a) Ground glass b) Transluecent c) Light d) Room 8) What is shadow a) Dark patch formed when opaque object block light b) Dark patche formed because of blocking of light c) Blackout lining blackout lining of 9) Which of the following is a characteristic of shadow a) Shadow are formed on the opposite side of source of light. b) They are coloured c) They are opaque d) Shahrukh travels in straight path 10) Which of the following is true a) Size of shadow depend upon distance between the object and the source of light b) Electric dad is always white in colour c) light travels in curved path d) Transparent object makes shadow 11) How many sources of light are there a) 3 b) 4 c) 2

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