Question

How will you prove with an activity that Light travels in a straight path?​

Answer 1

Shadows are evidence of light travelling in straight lines. ... Once light has hit another surface or particles, it is then absorbed, reflected (bounces off), scattered (bounces off in all directions), refracted (direction and speed changes) or transmitted (passes straight through).

Answer:

Take a rubber tube, stretch it straight and look through it at the flame of the candle with one eye (keeping the other eye closed) [see Figure (a)]. We will find that when the rubber tube is straight, we can see the light of candle flame through it.

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Answer 2

Answer:

This is from my book.

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