1) How much time light takes to travel from sun to earth ? a) 2 seconds b) 1 minutes 8 seconds c) 5 minutes 20 seconds d) 8 minutes 20 seconds e) 8 minutes 2) If you are away from the light source how your shadow will be ? a) Big b) Small 3) If you are close to the light source how your shadow will be ? a) Big b) Small 4) What are opaque objects ? a) Object which let all light through b) Objects which let some light through c) Objects which let no light through 5) What are transparent objects ? a) Object which let all light through b) Objects which let some light through c) Objects which let no light through 6) What are translucent objects a) Object which let all light through b) Objects which let some light through c) Objects which let no light through

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