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Photoelectric Effect

A carrier wav...

Question

A carrier wave of $1000 k H z$ is used to carry the signal, the length of the transmitting antenna will be equal to -

A

3 m

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B

30 m

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C

300 m

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D

3000 m

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Solution

The correct option is C $300 m$
In order to transmit a wave effectively, the length of the antenna should be approximately equal to the wavelength of the wave.
Hence, length $= \frac{c}{ν} = \frac{3 \times 10^{8}}{10^{6}} = 300 m$

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