Question

3)
Q.1) Fill in the blanks:
1) Light is a form of
2) Speed of light in air is
and
luminous objects while
objects.
4) Clear water and glass are examples of
5) A beam of light is made up of
rays. .
and
are non-luminous
objects.​

Answer 1

Answer:

1 energy 2. Light in air is 1.0003 times slower than light in a vacuum, which slows it all the way down from 299,792,458 meters per second to 299,702,547 meters per second. That's a slowdown of 89,911 meters per second, which looks like a lot but is only three ten-thousandths of the speed of light.

Answer 2

Hey Your Answer is Here !

1) Light is a form of energy that travels as waves.

2)The speed of light in air is 3×108m/s .

4)Transparent objects

5)A beam of light is made up of bundles of rays.Non-luminous objects are those which reflect the light from luminous bodies.

I hope it will be useful for you ☺️!