Question

the wave length of radio wave is 100cm find its frequency​

Answer 1

Explanation:

Frequency = Speed of light in air / Wavelength

= 3 * 10^8. / 1

= 3 * 10^8 metre

Answer 2

Radio wave are electromagnetic waves and hence they travel with the speed of light.

v=3×10

8㎧

λ(given)=1m

A we know

v=fλ

∴f= λ/v = 3×10^8

∴f=3×10^8 Hz

Hope it helps ya...