Question

Ans.(4)
10.10. What is the wavelength of the radiowaves transmitted by an FM station at 90 MHz?
where 1M = 10°, and speed of radiowave is 3 x 10 ms?
Ans.(3.33 m)​

Answer 1

Answer:

ANSWER

For radio waves, speed v=c=3×108 m/s

Given, λ=10 m

v=fλ

f=3×107 Hz