Tuition Singapore Maths Tuition – Standard Form

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Tuition Singapore Maths Tuition – Standard Form

Question

The frequency of radio waves is measured in hertz, kilohertz and megahertz.

A radio station broadcasts on 92.4 megahertz.

(i)         Express 92.4 megahertz in hertz, leaving your answer in standard form.

(ii)        The wavelength, a , of radio waves in metres, is calculated using the formula,

a = ( 3 x 10^8 ) / f

where f is the frequency in hertz.

Calculate the wavelength, in metres, that the radio station, which broadcasts on 92.4 megahertz, uses for its broadcast.

Solution

Tuition Singapore Maths Tuition – Standard Form

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