Question

In which of the following arrangements is the wavelength in an increasing order?

Accepted Answer

Gamma rays, x-rays, infra-red ray, radiowaves

Answer

Gamma rays, infra-red rays, x-rays, radiowaves

Answer

Radiowaves, x-rays, gamma ray, infra-red rays

Answer

Infra-red rays, radiowaves, x-rays, gamma rays