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प्रश्न
A cylindrical bar magnet (A) and similar unmagnetized cylindrical iron bar (B) are dropped through metallic pipe. The time taken to come down by ____________.
पर्याय
A and B is same but not equal to 9.8 second
A is more than B
A is less than B
both A and B is 9.8 second
MCQ
रिकाम्या जागा भरा
उत्तर
A cylindrical bar magnet (A) and similar unmagnetized cylindrical iron bar (B) are dropped through metallic pipe. The time taken to come down by A is more than B.
shaalaa.com
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