Interaction between matter and electromagnetic radiation can be observ – McqOptions

MCQOPTIONS

1.	Interaction between matter and electromagnetic radiation can be observed by subjecting a substance to magnetic fields in which of the following manner?
A.	Both fields should be stationary
B.	Both fields should be varying
C.	One field should be stationary and the other should be varying
D.	It must be subjected to only one field
Answer» D. It must be subjected to only one field

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