Question

it has been estimated that the radio signal takes 1.27 seconds to reach the earth from the surface of the Moon . calculate the distance of the Moon from the Earth speed of radio signal is equals to 3 into 10 ki power 8 metre per seconds (speed of light)?​

Answer 1

Speed= Distance/Time

$3 \times {10}^{8} = \frac{d}{1.27}$

$d = 3 \times {10}^{6} \times 127$

$d = 381 \times {10}^{6}$

$d = 3.81 \times {10}^{8} km$

Yes the speed is same as speed of light because both radio waves and light are electromagnetic waves, just with different wavelengths.

Answer 2

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Yes the speed is same as speed of light because both radio waves and light are electromagnetic waves, just with different wavelengths.