Dispersion

Q.

There are _____ components of white light.

1. Six

2. Eight

3. Three

4. Seven

Q. Name the phenomenon in which white light splits into its seven constituent colours.

1. Refraction
2. Diffraction
3. Reflection
4. Dispersion

Q.

Our eyes detect light in

1. The simple form of a particular colour

2. RGB form, Red Blue Green form

3. none of these ways

4. ROYGBIV, rainbow colour form

Q.

The process of splitting of white light into its constituent colours is called ___ .

Q. What is the correct sequence of colours obtained on the splitting of white light?

1. VIBOYGR
2. VBIOYR
3. VIBGOR
   
4. VIBGYOR
   

Q. The splitting up of white light into seven colours on passing through a glass prism is called:
(a) refraction
(b) deflection
(c) dispersion
(d) scattering

Q.

Magenta, cyan and green are secondary colours.

1. True
2. False

Q.

If green leaves are seen in red light, they will appear

1. Cornea

2. Eye lens

3. Retina

4. Iris

Q. Which of the following can separate white light into its seven constituent colours?

1. Concave lens
2. Convex lens
3. Newton's disc
4. Prism

Q.

Splitting of white light into its constituent colors ________.

Q.

A/An ______ material is clear enough to allow the complete passage of light.

1. transparent

2. opaque

3. wooden

4. translucent

Q.

What are secondary colours? Name the three secondary colours.

Q.

A/An ______ material is clear enough to allow the complete passage of light.

1. wooden

2. transparent

3. opaque

4. translucent