Electromagnetic Waves - Result Question 21

21. The energy of the em waves is of the order of 15 keV. To which part of the spectrum does it belong?

[2015 RS]

(a) Infra-red rays

(b) Ultraviolet rays

(c) γ-rays

(d) X-rays

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Solution:

  1. (d) Energy of x-ray is ( 100ev to 100kev)

Hence energy of the order of 15kev belongs to x-rays.



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