JEE Main 2017 Solved Paper Solved Paper

Section: Physics

Question : 21 of 90

Marks: +1, -0

A magnetic needle of magnetic moment 6.7×10−2Am2 and moment of inertia 7.5×10−6‌kg‌m2 is performing simple harmonic oscillations in a magnetic field of 0.01 T.Time taken for 10 complete oscillations is :

[Main 2017]

6.98 s
8.76 s
6.65 s
8.89 s

Validate

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