Q.

The pendulum of a certain clock has time period 2.04s. How fast or slow does the clock run during 24 hour ?

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a

28.8 minutes slow

b

28.8 minutes fast

c

14.4 minutes fast

d

14.4 minutes slow

answer is A.

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Detailed Solution

n1 = Number of oscillations made by second pendulum in one day = n2 = Number of oscillations made by the given pendulum in one day = Number of osciallations lost per day = So time lost per day =
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