Which amongst the following show the most accurate time?

Sand clock

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Water clock

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Atomic clock

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Sundial

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Solution

The correct option is C Atomic clock
Atomic clocks are the most accurate timekeepers. The best ones lose or gain 1 second in 109 days. This means that once synchronized, for generations we need not reset the clock. Therefore, these clocks are used as primary standards for international time.

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Which amongst the following show the most accurate time?

The correct option is C Atomic clock Atomic clocks are the most accurate timekeepers. The best ones lose or gain 1 second in 109 days. This means that once synchronized, for generations we need not reset the clock. Therefore, these clocks are used as primary standards for international time.

The correct option is C Atomic clock
Atomic clocks are the most accurate timekeepers. The best ones lose or gain 1 second in 109 days. This means that once synchronized, for generations we need not reset the clock. Therefore, these clocks are used as primary standards for international time.