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प्रश्न
A wall clock uses a vertical spring-mass system to measure the time. Each time the mass reaches an extreme position, the clock advances by a second. The clock gives correct time at the equator. If the clock is taken to the poles it will
विकल्प
run slow
run fast
stop working
give correct time
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उत्तर
give correct time
Because the time period of a spring-mass system does not depend on the acceleration due to gravity.
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