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CBSE Class 12-science Answered

Electromagnetic spectrum is an orderly arrangement of electromagnetic radiations in the ascending or descending order of frequency/wavelength. (a) Arrange the following electromagnetic radiations in the ascending order of frequency. Visible rays, infrared rays, X-rays, microwaves. (b) Give one application of infrared and X-rays, each.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
answered-by-expert Expert Answer

(a) microwaves<infrared rays<visible rays<X-rays

(b) Infrared rays are used in revealing the secret writings on the ancient walls.

X-rays are used in surgery for the detection of fractures, foreign bodies like bullets, stones in human body.

Answered by | 04 Jun, 2014, 03:23: PM

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