An electromagnetic wave has a frequency of 500MHz and a wavelength of 60cm.(a) Calculate the velocity of the wave.(b) Name the medium through which it is travelling.

An electromagnetic wave has a frequency of 500MHz and a wavelength of 60cm.
(a) Calculate the velocity of the wave.
(b) Name the medium through which it is travelling.

Class 10 | ICSE | Physics | Selina | Spectrum

An electromagnetic wave has a frequency of 500MHz and a wavelength of 60cm.
(a) Calculate the velocity of the wave.
(b) Name the medium through which it is travelling.

(a)An electromagnetic wave has a frequency of 500MHz so,

Frequency = 500 MHz

Wavelength = 60 cm

Wave velocity = frequency x wavelength

Therefore,

Wave velocity is $3\times {{10}^{8}}$

(b) An electromagnetic wave is propagating through the atmosphere.

i

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A Concave, concave
B Convex, convex
C Convex, concave
D Concave, convex

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(A) active mass
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(A) $\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{7}$
(B) $\mathrm{H}_{2} \mathrm{SO}_{4}$
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