The period of oscillations of a magnetic needle in a magnetic field is – McqOptions

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1.	The period of oscillations of a magnetic needle in a magnetic field is 1.0 sec. If the length of the needle is halved by cutting it, the time period will be [MP PMT/PET 1998]
A.	1.0 sec
B.	0.5 sec
C.	0.25 sec
D.	2.0 sec
Answer» C. 0.25 sec

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