The wave number range of microwaves are greater than

10^{2} m^{- 1}

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10^{6} m^{- 1}

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10^{8} m^{- 1}

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All of the above

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Solution

The correct option is A $10^{2} m^{- 1}$
From the figure, wavelength of microwave = 1 cm
wavenumber = $\frac{1}{λ}$ = $\frac{1}{0.01 m}$ = 100 $m^{- 1}$ .

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(R) :

Microwaves have wavelength in the range of

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