Question

Write the answers to the following:
How do we come to know that light travels in a straight line?
ns.​

Answer 1

Answer:

Follow the activity to find out

Explanation:

Take three rectangular cardboard prices with equal dimensions and make a hole in the center of each. Put the pieces in such a way that the holes fall in a straight line. Now light a candle and place it I such a way that it's flame is aligned on the line by the holes. Now see through the holes. You can see the flame. Now misplace one of those sheets. You will not be able to see the flame. This proves that light travels in a straight line.

OR

See through a straight pipe, a candle flame. You can see it. bend the tube. You cannot see the flame. This proves that light travels in a straight line.

If u like my answer, then please mark me as brainliest.