If the frequency of a radio station is 88.1 MHz (8.81 x 107 Hz), what is the wavelength of the wave used by this radio
station for its broadcast? The answer should have three significant figures.
meters

Approximately .

Explanation:

In the earth's atmosphere, the speed of radio waves is very close to that of light in vacuum.

The frequency of a wave gives the number of cycles in unit time. That's the same as the number of wavelengths that this wave covers in unit time.

In this question, . In other words, in each second, this wave would travel a distance that's equal to   times its wavelength.

Let represent the wavelength of this wave.

.

Hence the equation:

.

.

(Rounded to three significant figures.)

In general, if a wave has speed and frequency , then its wavelength would be:

.

when cloud cover increases then the suns ray's which provides the earth with light and warmth gets covered due to the due to the suns ray's being blocked, the temperature in that region

therefore to conclude i would like to say that,

=more the cloud cover, the lesser the

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