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WorksheetsLight, Shadow and reflection
Total questions: 10
Worksheet time: 5mins
Which of the following objects do not cast shadows?
Translucent objects
Transparent objects
Opaque objects
--------------objects do not allow light to pass through it
Translucent
Opaque
Which of the following emits light?
A glow worm
A rat
A book
Why does an opaque object form a shadow when placed in the path of light?
Because opaque object act as a source of light
Because opaque object does not allow light to pass through it
Because light gets reflected
Which of the following allows light to pass through it easily?
A metal plate
A glass tumbler
A wooden block
In a completely dark room, if you hold up a mirror in front of you, will you see a reflection of yourself in the mirror?
Yes
No
Moon is ------------- body
Luminous
Non-luminous
None of the above
A torch is shown to a star shaped card which forms a shadow on the screen behind the card. What will happen to the shadow if the torch is moved away from the card?
It decreases in size
It increases in size
A light source is incident on an object P. If a dark coloured shadow of an object is cast on the screen. Which of the following could 'P' be?
An iron ball
A piece of glass
A wax coated paper
You cannot see the flame of a burning candle by looking through a bent pipe. This is because -----------------------
Light gets bent along the pipe
Light travels in a straight line
Light gets absorbed
