It is claimed that two cesium clocks, if allowed to run for 100 years, free from any disturbance, may differ by only about 0.02 s. What does this imply for the accuracy of the standard cesium clock in measuring a time-interval of 1 s? | Learn NCERT solution | Education portal Class 11 Physics | Study online Unit-2 Units and Measurements



Q.26:-  It is claimed that two cesium clocks, if allowed to run for 100 years, free from any disturbance, may differ by only about 0.02 s. What does this imply for the accuracy of the standard cesium clock in measuring a time-interval of 1 s?

 

Answer:-



Error in 100 years = 0.02 s

Hence, the accuracy of a standard caesium clock in measuring a time interval of 1 s is 10-12 s.