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The frequency 1057 MHz of radiation aris...

The frequency `1057 MHz` of radiation arising from two close energy levels in hydrogen belong to:

A

Infrared rays

B

X-rays

C

`gamma`-rays

D

Radio waves

Text Solution

Verified by Experts

The correct Answer is:
D
This given frequency corresponds to the radio waves i.e short wavelength or high frequency.
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The ferequency 1057 MHz of radiation arising from two close energy levels in hydrogen belong to:

Given below are some famous numbers associated with electromagnetic radiations in different contexts in physics. State the part of the electromagnetic spectrum to which each belongs. (a) 21 cm (wavelength emitted by atomic hydrogen in interstellar space). (b) 1057 MHz (frequency of radiation arising from two close energy levels in hydrogen, known as Lamb shift). (c) 2.7 K [temperature associated with the isotropic radiation filling all space-thought to be a relic of the ‘big-bang’ origin of the universe]. (d) 5890 hatA-5896hatA (double lines of sodium] (e) 14.4keV energy of a particular transition in .^(57)Fe nucleus associated with a famour high resolution spectroscopic method (mossbauer spectroscopy).

Energy Level Of Hydrogen Atoms

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Show that for large values of principal quantum number, the frequency of an electron rotating in adjacent energy levels of hydrogen atom and the radiated frequency for a transition between these levels all approach the same value.

Bohr Atomic Model||Energy Level OF Hydrogen

The frequency of radiations , emitted when the electron falls , from n=4 to n=1 in a hydrogen , atom

NCERT FINGERTIPS-ELECTROMAGNETIC WAVES-Electromagnetic Spectrum
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