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Which of the following EM radiation lies in highest energy region?

 

Option: 1

UV rays

 


Option: 2

X–rays

 


Option: 3

\gamma -rays


Option: 4

Radio waves


Answers (1)

best_answer

Wavelength of electromagnetic radiation and EM radiation -

Radio wave  - 3\times 10^{14}\ to\ 3 \times 10^{7}\AA 

Micro wave - 3\times 10^{9}\ to\ 3 \times 10^{6}\AA

Infrared - 6\times 6^{6}\ to\ 7600\AA

Ultraviolet - 3800\ to\ 150\AA

X-rays - 150\ to\ 0.1\AA

Gamma rays - 0.1\ to\ 0.01\AA

 

Now, The Relation between Energy and Wavelength of EM Waves

\\\mathrm{E=h\nu =\frac{hc}{\lambda }}\\\mathrm{E\propto \frac{1}{\lambda }}

Energy of EM wave is in following order

\gamma\ rays > X – rays > UV rays> visible rays>infrared rays> microwave>radio wave

Therefore, Option(3) is correct

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Rishi

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