Question

with an activity prove that light travel's in a straight line​

Answer 1

Answer:

Take a candle.Light up the candle.Now, take a PVC pipe and see the flame of the candle.Do you see the flame of the candle? Now take a PVC pipe but it must be slightly bent from the centre and see the flame of the candle.Do you see the flame of the candle.what dou you observe?

Observation:

Light travels in a straight line.

Answer 2

Answer:

refer to the picture given above