Question

Which of the following statements is not correct regarding electromagnetic spectrum?
1) The velocity of X-rays is more than that of microwaves
2) Infra-red radiations have larger wavelength than cosmic rays
3) The frequency of microwaves is less than that of ultra - violet rays
4) X-rays have larger wave number than micro waves (​

Answer 1

Explanation:

The velocity of X-rays is more than that of microwaves.

this is the answer.

Answer 2

Answer:

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3).

Explanation:

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