Question:
Match List - I with List - II.
Choose the correct answer from the options given below :
Correct Option: , 4
Solution:
(a) Source of microwave frequency is magnetron.
(b) Source of infrared frequency is vibration of atoms and molecules.
(c) Source of Gamma rays is radioactive decay of nucleus
(d) Source of X-rays inner shell electron transition.
Option (4) is correct.