Question

Due to which property of light, sharp shadows of opaque objects are obtained??

Answer 1

Since, light travels in straight line, any obstacle obstructing the path will cast its shadow.
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Answer 2

Heyaa folk,

As, 'Light travells in a straight line' ;

We see sharp shadows of opaque objects.

Let me give you the experiment.

Take torch in straight along, first the ball and then ball large paper of white colour. Turn of the lights in your room and on the torch. You will notice that ball's shadow is seen on the paper.

[ It's a simple experiment, that you will do in your home. No need of laboratory ;) ]

Hope it helps u :)
- no4 ✯ Brainly Star ✯