Which one of the following is involved for the formation of rainbow in the sky?

Monjur Alahi

Which one of the following is involved for the formation of rainbow in the sky?

(a) Expansion of light

(b) Expansion of heat by the Sun

(c) Distance between the Earth and the Moon

(d) Dispersion of light


0 like 0 dislike
1 views
Share with your friends

1 Answers

Salim Ahmed Kawsar

Call

(d) Dispersion of light

When white light is passed through a glass prism it splits up into its component colors (in order Violet, Indigo, Blue, Green, Yellow, Orange and Red). This phenomena of white light splitting up into its constituent colors is termed as dispersion.

0 like 0 dislike
1 views
Talk Doctor Online in Bissoy App
The number of colours in rainbow 

Correct option is  C) 7

2 Answers 1 views
Formation of rainbow is example of …………….. spectrum. 

Correct option is D) Visible

2 Answers 1 views
Bright rainbow can be observed when the angle between incoming and outgoing light ray in a rain drop is …………………

Correct option is  D) 0° to 42°

2 Answers 1 views
The red colour in a rainbow will be seen when the angle between a beam of sunlight and light sent back by a raindrop ………………….

Correct option is  A) 42°

2 Answers 1 views
The violet colour in a rainbow will be seen when the angle between a beam of sunlight and light sent back by a raindrop ………………. 

Correct option is  B) 40°

2 Answers 1 views
Rainbow contains ……………………… 

A) red colour on the outermost layer

2 Answers 1 views
Rainbow contains ………………………  2 Answers 1 views
A rainbow is always formed in a direction opposite to that of the sun. 

A) Both statement are true

2 Answers 1 views
Which one of the following phenomena of light are involved in the formation of a rainbow? 

B) refraction, dispersion and total internal reflection

2 Answers 1 views
The formation of rainbow in the sky is due to the dispersion of sunlight by …………………. 

Correct option is (B)water droplets

2 Answers 1 views
X