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To maintain the Indian standard of time, the National Physical Laboratory is based in _____________.
1. Bangalore
2. Lucknow
3. New Delhi
4. Mumbai

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Correct Answer - Option 3 : New Delhi

CONCEPT:

  • Time standard: It is a specification for measuring time.
    • It can be classified as the rate at which time passes.
    • At the present time, We use an atomic standard of time.
    • Our Indian Standard Time (IST) is linked to the set of atomic clocks. 
    • To maintain the Indian standard of time, a cesium atomic clock is used at the National Physical Laboratory (NPL), New Delhi.

EXPLANATION:

  • At the present time, We use an atomic standard of time.
  • The National Physical Laboratory (NPL) has the responsibility of maintenance and improvement of physical standards such as frequency, time, etc.
  • This laboratory is based in New Delhi.
  • So the correct answer is option 3.

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