1) Which types of objects do not allow light to pass through them? a) (a) Translucent b) (b) Opaque c) (c) Transparent d) (d) Penumbra e) none of these  f) all of these 2) Light travels in a) a) straight line b) (b) curved line c) (c) zig-zag line d) (d) randomly e) none of these f) all 3) When an opaque object comes in the path of light it forms a) a) an image with colours b) (b) shadow c) (c) black and white image d) (d) depends on the colour of the light e) none f) all 4) Which is an example of a translucent object? a) (a) A thin sheet of paper b) (b) A thin glass slab c) (c) A thin iron sheet d) (d) All of these e) none f) all 5) Bouncing back of light from shining surfaces is called a) a) Reflection b) (b) Refraction c) (c) Bending d) (d) Dispersion e) none f) all 6) what is the meaning of this ? a) parts of shadow b) tranlucent objects c) luminous object d) non luminous object e) none f) all of these

shadows quiz

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