The periodic time of radiation is 4 times 10^ | vedclass

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Question

(A) Given: Periodic time $T = 4 	imes 10^{-10} \ s$. Frequency $
u = \frac{1}{T} = \frac{1}{4 	imes 10^{-10}} = 0.25 	imes 10^{10} = 2.5 	imes 10

Vedclass · Accepted Answer

$
u = 2.5 	imes 10^{9} \ Hz, \lambda = 0.12 \ m, \bar{
u} = 8.33 \ m^{-1}$

Vedclass · Answer

(A) Given: Periodic time $T = 4 	imes 10^{-10} \ s$. Frequency $
u = \frac{1}{T} = \frac{1}{4 	imes 10^{-10}} = 0.25 	imes 10^{10} = 2.5 	imes 10^{9} \ Hz$. Wavelength $\lambda = c 	imes T = (3 	imes 10^{8} \ m/s) 	imes (4 	imes 10^{-10} \ s) = 12 	imes 10^{-2} \ m = 0.12 \ m$. Wave number $\bar{
u} = \frac{1}{\lambda} = \frac{1}{0.12} = 8.33 \ m^{-1}$.

The periodic time of radiation is $4 \times 10^{-10} \ s$. Find the wavelength,wave number,and frequency.

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