Electromagnetic Waves Ques 14
14. 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) $\gamma$-rays
(d) X-rays
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Answer:
Correct Answer: 14.(d)
Solution:
- (d) Energy of $x$-ray is ( $100 $ $ev$ to $100$ $ kev)$
Hence energy of the order of $15$ $ kev$ belongs to $x$-rays.
BETA
