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Emission and Absorption Spectra

Monochromatic...

Question

Monochromatic light is that light in which :

A

yellow and red light is present

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B

various wavelengths are present

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C

red and violet light is present

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D

single wavelength is present

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Solution

The correct option is D single wavelength is present
Chromatic is something related to color. So "monochromatic" means a single color, which means light of single wavelength.
Hence correct answer is D.

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