A magnet oscillating in a horizontal plane has a time period of 2 seconds at a place where the angle of dip is `30^(@)` and 3 seconds at another place where the angle of dip is `60^(@)`. The retio of resultant magnetic field at the two places is
A
`(4sqrt(3))/(7)`
B
`(4)/(9sqrt(3))`
C
`(9)/(sqrt(3))`
D
`(9)/(sqrt(3))`
Text Solution
Verified by Experts
The correct Answer is:
C
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