Question

the wavelength of the radio is 2 × 10^ 4 find its frequency​

Answer 1

Step-by-step explanation:

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

=

1

3×10

8

∴f=3×10

8

Hz