Rainbow

Q.

Rainbows are formed due to ________.

1. refraction, reflection and dispersion of light by raindrops.
2. refraction andreflection of light by Clouds.
3. reflection of light from rivers and ocean.
4. only the refraction of light by raindrops.

Q.

Name three primary colour?

1. RGB

2. YGB

3. VIB

4. GRY

Q.

If Ram is facing west and he sees a rainbow in front of him then, in which direction most probably the Sun is?

1. North

2. West

3. East

4. South

Q.

Rainbow is always formed in a direction opposite to that of the sun.

1. True

2. False

Q.

Which of the following is not a reason behind rainbow formation?

1. reflection

2. refraction

3. all of these

4. dispersion

Q. The refracted ray of sunlight inside raindrops gets internally reflected before coming out of the raindrop.

1. True
2. False

Q. _____ act(s) as a prism in formation of a rainbow in the sky.

1. Fog
2. Dust particles
3. Air
4. Raindrops

Q. We see the rainbow on the side of the sun.

1. opposite
2. same
3. left
4. right

Q.

What is rainbow? How is rainbow formed? [3 MARKS]

Q.

Why don't we see the sunlight directly in its seven shades i.e., VIBGYOR