Question

New and innovative ideas for the experiments in physics and biology with less cost

Answer 1

Answer:

An activity to prove that light travels in a straight line.

Take lighted cade and a straight pipe.Keep the pipe just at line where the candle is.Look at the pipe through one end of it.You will see that the light is visible.You will see that light is not visible.This activity shows that light travels in a straight line.

pls❤❤