Question

Name the waves (a) of lowest wavelength, (b) used for taking photographs in dark, (c) produced by the changes in the nucleus of an atom, (d) of wavelength nearly 0.1 nm.

Answer 1

(a) Gamma rays have the highest frequency and therefore, have the shortest wavelength.

(b) Infrared rays are used for taking photographs in dark.

(c) Gamma rays are produced by the changes in the nucleus of an atom.

(d) X-rays have a wavelength of nearly 0.1 nm.