1.

The radiations from a naturally occurring radio element, as seen after deflection in a magnetic field in one direction, are                         [IIT 1984; MP PMT 1986;  MP PET/PMT 1988 JIPMER 1999]

A.                 Definitely a-rays             
B.                 Definitely b-rays
C.                 Both a and b-rays           
D.                 Either a or b-rays
Answer» E.


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