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Question

Which of the following statements are true?
a. The spectrum of sunlight has 7 colors.
b. Spectrum is seen due to bending of lights of different colors at different angles with respect to the incident ray through a prism.
c. Red light bends least whereas violet light bends the maximum.
d. Rainbow is an example of dispersion of light.

A
a, b and c
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B
c and d
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C
a, c and d
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D
All of these
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Solution

The correct option is D All of these
A beam of white light or sunlight splits into a spectrum of 7 colors. This spectrum is visible due to bending of lights of different colors at different angles with respect to the incident ray through a prism. Red light bends the least whereas violet light bends the maximum. Rainbow is an example of dispersion of light through water droplets that act like a prism.

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