CBSE Class 10 Science 2021 Term 1 Solved Paper

Question : 24 of 60

Marks: +1, -0

In the diagram given below,

X

and

Y

are the end colours of the spectrum of white light. The colour of 'Y' represents the

Colour of sky as seen from earth during the day.
Colour of the sky as seen from the moon.
Colour used to paint the danger signals.
Colour of sun at the time of noon

Solution:

When white light is incident on a prism, it splits into seven colours. The red light bends the least while the violet the most. Thus; in the given figure

Y

represents red colour. Red colour is used to paint the danger signals.

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