Solution - Long Distance Radio Broadcasts Use Short-wave Bands. Why? - Electromagnetic Spectrum



      Forgot password?

View all notifications
Books Shortlist
Your shortlist is empty


 Long distance radio broadcasts use short-wave bands. Why?


You need to to view the solution
Is there an error in this question or solution?

Similar questions VIEW ALL

A plane electromagnetic wave travels in vacuum along z-direction. What can you say about the directions of its electric and magnetic field vectors? If the frequency of the wave is 30 MHz, what is its wavelength?

view solution

To which part of electromagnetic spectrum does a wave of frequency 3 × 1013 Hz belong?

view solution

What physical quantity is the same for X-rays of wavelength 10−10 m, red light of wavelength 6800 Å and radiowaves of wavelength 500 m?

view solution

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)].

view solution

A radio can tune in to any station in the 7.5 MHz to 12 MHz band. What is the corresponding wavelength band?

view solution

Content BooksVIEW ALL [1]

Solution for question: Long Distance Radio Broadcasts Use Short-wave Bands. Why? concept: Electromagnetic Spectrum. For the courses 12th CBSE (Arts), 12th CBSE (Commerce), 12th CBSE (Science)