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An electromagnetic radiation has an ener...

An electromagnetic radiation has an energy of 13.2 keV. Then the radiation belongs to region of

A

visible light

B

ultraviolet

C

infrared

D

X-rays

Text Solution

Verified by Experts

The correct Answer is:
D
Given : `E=13.2 keV`
`lambda ("in "Å)=(hc)/(E(eV))=(12400)/(13.2xx10^(3))=0.939Å~~1Å`.
Xays covers wavelength ranging from above `10^(-9)m(1nm)" to "10^(-12)m(10^(-3)nm)`.
An electromagnetic radiation of energy 13.2 keV belongs to X - ray region of electromagnetic spectrum.
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