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Two clocks A and B being tested against ...

Two clocks `A` and `B` being tested against a standard clock located in the national laboratory At `10.00` AM by the standard clock, the readings of the two clocks are shown in following table
`{:("Day","Clock A","Clock B"),(I^("st"),10:00:06,8:15:00),(II^("nd"),10:01:13,8:15:0.1),(III^("rd"),9:59:0.8,8:15:04),(IV^("th"),10:02:15,8:14:58),(V^("th"),9:58:10,8:15:02):}`
If you are doing an experiment that requires precision time interval measurements, which of the two clocks will you prefer ?

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The correct Answer is:
Clock 2
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