1.

A charged particle oscillates about its mean equilibrium position with a frequency of 10^(9) Hz. What is the frequency of the electromagnetic waves produced by the oscillator?

Answer»

will have FREQUENCY of `10^(9)` Hz
will have frequency of `2xx10^(9)` Hz
will have a wavelength of 0.3 m.
fall in the region of radiowaves.

SOLUTION :Hence frequency of charged PARTICLE is given as `10^(9)` Hz. Hence, wavelength
`lambda=(UPSILON)/(v)=(3xx10^(8))/(10^(9))=0.3 m`
Hence (A) and (C ) are correct. `10^(9)` Hz is in range of radiowaves. Hence, option (D) is correct.


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