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Physics - Unit & Dimension Question with Solution | TestHub

PhysicsUnit & DimensionMiscellaneousEasy2 minPYQ_2020

PhysicsEasysingle choice

The least count of a stopwatch is $0.2 s$ . The time of $20$ oscillations of a pendulum is measured to be $25 s$ . The percentage error in the measurement of the time period will be

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Answer:

Solution:

$p e r c e n t a g e e r r o r = \frac{l e a s t c o u n t}{T o t a l t i m e} \times 100$

$\frac{0.2}{25} \times 100 = 0.8%$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:Unit & DimensionSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2020

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