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Magnetism and Matter

Section: Physics

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Question : 26

Total: 71

A compass needle of oscillation magnetometer oscillates 20 times per minute at a place P of dip‌30∘. The number of oscillations per minute become 10 at another place Q of 60∘ dip. The ratio of the total magnetic field at the two places (BQ:BP) is :

[27-Jul-2022-Shift-2]

√3:4
4:√3
√3:2
2:√3

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