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Standard VIII
Physics
Clocks
Atomic clock ...
Question
Atomic clock is based on the principle of periodic vibration in the _______.
A
Polonium atom
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B
Uranium atom
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C
Carbon atom
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D
Caesium atom
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Solution
The correct option is
D
Caesium atom
Atomic clock is based on the principle of periodic vibration in the Caesium atom.
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