question_answer

X-rays and gamma rays are both electromagnetic waves. Which of the following statements is true         [NCERT 1973]

A)            In general X-rays have larger wavelength than of gamma rays

B)            X-rays have smaller wavelength than that of gamma rays

C)            Gamma rays have smaller frequency than that of X-rays

D)            Wavelength and frequency of X-rays are both larger than that of gamma rays