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Which of the following is not a unit of time?

  • Option 1)

    Micro second
     

  • Option 2)

    Leap year

  • Option 3)

    Lunar month

  • Option 4)

    Parallactic second

 

Answers (1)

best_answer

As we learnt in 

Units of Time -

1 year                 365.25 days        3.156 x 107 Sec

Lunar Month    1 Lunar Month = 27.3 days (it is the time taken by the moon to complete1 revolution around the earth in its orbit)

1 Average Solar Day    1/365.25 the part of solar year

 

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Parallactic second


Option 1)

Micro second
 

Option is incorrect

Option 2)

Leap year

Option is incorrect

Option 3)

Lunar month

Option is incorrect

Option 4)

Parallactic second

Option is correct

Posted by

Aadil

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