A) radio waves and microwaves
B) infrared and ultraviolet rays
C) microwaves and infrared spectrum
D) X-ray and gamma ray spectrum
Correct Answer: B
Solution :
The array obtained on arranging all the electromagnetic waves in an order on the basis of their wavelength is called the electromagnetic spectrum. The radiations in the range of wavelength from \[4\times {{10}^{-7}}m\] to \[7\times {{10}^{-7}}m\]fall in the visible region. It lies between infrared and ultraviolet rays.
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