​ A dipole having dipole moment M is placed in two magnetic field of strength B1 and B2 respectively. ​

Question

A dipole having dipole moment \(\vec{M}\) is placed in two magnetic field of strength B₁ and B₂ respectively. If dipole oscillates 60 time in 20 seconds in B₁ magnetic field and 60 oscillations in 30 seconds in B₂ magnetic field. Then find the (B₁/B₂).

(1) 3/2 

(2) 2/3 

(3) 4/9 

(4) 9/4

Answer 1

Correct option is (4) 9/4