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A pendulum clock keeps correct time at 0°C. If the coefficient of linear expansion is α,then what will be the loss in time per day,when the temperature rises by t°C?

a. (1/2)α.t.86400

b. α.t.86400

c. [(1/2)αt/{1+αt/2}].86400

d. αt/(1+αt/2)

Menka Malguri , 13 Years ago
Grade 12th Pass
anser 1 Answers
ankitesh gupta

Last Activity: 12 Years ago

ANSWER IS (A) 

FORMULA (T-T1)/T1 = 1/2. a.t

WHERE THIS IS LOST IN PER SECOND

THEREFORE IN 1 DAY THERE ARE 86400 SEC

THEREFORE TIME LOST PER DAY IS OPTION (A)

PLZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ APPROVE 

 

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