MHT CET 2024 Physics question
Not in JEE Advanced syllabus
At certain place a magnet 30 oscillations per minute. At another place if the magnetic induction is increased by two times the magnetic induction at first place, then the time period of same magnet will be
Answer: (A)
Solution
The time period of a magnet oscillating in a uniform field is , so . At the first place s. At the other place the induction is increased by two times the original: . Hence
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