Question

the time period of electromagnetic wave is 2s. find its wavelength

Answer 1

Answer:

Sorry.........................

Answer 2

Answer:

Explanation:

Speed of electromagnetic wave = $3*10^8$ m/s

Speed = frequency * wavelength = wavelength/ time period

Wavelength = speed * time period = $3*10^8 *2 = 6*10^ 8 m$