Quiz - Light - Dispersion of light

1.

By which optical phenomenon does the splitting of white light into seven constituent colours occur?

Refraction

Reflection

Dispersion

Interference

2.

Which colour of light deviates maximum in the dispersion of white light by prism?

Violet

Blue

Green

Red

3.

Which of the following are the primary colours of light?

Red, Blue, Yellow

Red, Green, Violet

Yellow, Green, Blue

Red, Green, Blue

4.

Which of the following are primary pigments?

Yellow, Green, Magenta

Magenta, Yellow, Cyan

Blue, Green, Violet

Red, Green, Yellow

5.

Which is the complimentary colour of blue?

Red

Yellow

Green

Magenta

6.

Which colour is obtained by mixing blue and red colours of light?

Green

Magenta

Cyan

Yellow

7.

Which of the following is a pair of complimentary colours?

Red and Blue

Cyan and Magenta

Magenta and Green

White and yellow

8.

Which phenomenon does not play role in the formation of rainbow?

Reflection

Refraction

Dispersion

Absorption

9.

Which colour of light scatters maximum due to atmosphere?

Blue

Yellow

Green

Red

10.

When white light is incident on a green leaf...

only green colour is absorbed

only green colour is reflected

all other colours are reflected

the leaf appears black

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