MyQuestionIcon

4

You visited us 4 times! Enjoying our articles? Unlock Full Access!

Source of EM Waves

The frequency...

Question

The frequency of radiations arising from two close energy levels in hydrogen, known as lamb shift is $1057 M H z$ . This frequency falls in which range of electromagnetic waves?

A

Infrared rays

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

X-rays

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

y-rays

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

Radio waves

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D Radio waves
This given frequency corresponds to the radio waves i.e short wavelength or high frequency.

Suggest Corrections

thumbs-up

0

Similar questions

Q. 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 Å - 5896 Å [double lines of sodium] (e) 14.4 keV [energy of a particular transition in 57Fe nucleus associated with a famous high resolution spectroscopic method (Mössbauer spectroscopy)].

Q. Arrange the following electromagnetic waves in increasing order of their frequencies (i.e., begin with the lowest frequency): Visible light,

γ

rays, X rays, micro waves, radio waves, infrared radiations and ultraviolet radiations.

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].

5890 ˚ A - 5896 ˚ A

[double lines of sodium]

(e) 14.4 ke V [energy of a particular transition in

^{57}

Fe nucleus associated with a famous high resolution spectroscopic method (

M ¨ o ssbauer spectroscopy

Q. The electromagnetic waves of frequency range

100

300

GHz are used in

Q. Write the range of frequencies of electromagnetic waves which propagate through sky wave mode.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Electromagnetic Spectrum

PHYSICS

Watch in App

explore_more_icon

Explore more

Source of EM Waves

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon