Question

Prove
with
the
help
of
activity
that
light
travel
in
straight
line.​

Answer 1

Answer:

Two experiments are used to demonstrate how light travels in straight lines. In the first example, the presenter arranges three pieces of card, with holes in, in an uneven line. The light stops and cannot travel through all three cards. When she arranges the holes in a straight line, the light can travel through.

Explanation:

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