Question

with the help of experiment prove that light always travels in a straight line​

Answer 1

Answer:

Explanation: activity

First take a candle and burnt it.

Then take a straight tube and try to see the flame from it.

Now take a curved or bent tube and try to see the flame.

Check your observation.

The straight tube help us to view the flame of light whereas the bent is not allowing the flame to enter the tube.

This phenomenon of light travelling in a straight light is called rectilinear propagation of light