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A pendulum clock is 5 second fast at temperature of 15^oC and 10 second slow at a temperature of 300^oC At what temperature does it give the correct time ?

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detailed solution

Correct option is B

Δt=12αΔT ∴5=12α(T−15)×86400 and 10=12α(T−30)×86400 Solving, we get T=20oC

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A pendulum clock is 5 second fast at temperature of 15oC and 10 second slow at a temperature of 300oC At what temperature does it give the correct time ?

Remember concepts with our Masterclasses.

Ready to Test Your Skills?

free study material

A pendulum clock is 5 second fast at temperature of 15^oC and 10 second slow at a temperature of 300^oC At what temperature does it give the correct time ?