Chemistry, asked by meenakshimailk, 1 year ago

The frequency of a radiation belonging to radio waves in 3*10^7Hz. Find the wave number and wave length of the radiation.

Answers

Answered by dhadshiniprumal
5
As we know that wave is the periodical disturbance which is travelled through medium from particle to particle and if we observe the movement of wave then the phase is changed with time. There are some important terms related to wave like frequency, wavelength, wave number, velocity of wave etc. Two most important parts of waves are crest and trough by which it is travelled from one part to other part. The upper part is called the crest while the lower part is called trough. The height of each crest is same to the deepness of each trough. One crest is followed by second and second follows the next one. This process is similar for trough. 

Wavelength is defined as the distance between two nearest points of the adjacent c crest or trough. This is the distance between the wave cycles which are propagated in space. It is a length so it is measured in terms of units of length like meters or centimeters or millimeters or Nano-meters (10-9meter) or Angstrom units (10-10 meter). So we discuss now about wavelength and its mathematical representation or formula, and how one term is calculated by using the knowing value of other terms. 
Answered by utkarsh251
1

Explanation:

Hertz is usually the label for the frequency of electromagnetic waves. To conclude, to determine the wavelength of a radio wave, you take the speed and divide it by the frequency. Typical radio wave frequencies are about 88~108 MHz . The wavelength is thus typically about 3.41×109 ~ 2.78×109 nm .

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