1.

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
Answer» B. X-rays have smaller wavelength than that of gamma rays


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