Question

4. The velocity of e.m waves in 1 point
free space is 300000 km/s. The
frequency of a radio wave of
wavelength 150m is​

Answer 1

Answer:

2MHz

Explanation:

we know that

$c=νλ$

$3 \times {10}^{8} =ν \times 150$

$ν = \frac{ 3\times {10}^{8} }{150} = 2 \times {10}^{6} hertz$

Answer 2

Answer:

ur answer is

2mhz.... .....