Question

which of the following are required for a shadow to be formed
a) light source
b) screen
c) opaque object
d) all of the above​

Answer 1

Answer:

a) light source

Answer 2

Option D( all of above) is correct.

To form a shadow :

a light source is needed so we can shine the light to produce the shadow . because without light all we could see would be dark and shadow itself is the portion which is dark on a light sensitive surface .

an opaque object is needed so we can form its shadow and it should be an opaque object because if not light will pass through the transparent or translucent object and we need to stop the light at a special portion to form the shadow

and a screen on which we can form the shadow . it is usually called background.

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