Question

Which of the following is not the unit of time ?

A

Micro second

B

Leap year

C

Lunar months

D

Parallactic second

Medium
Updated on : 2022-09-05
Solution
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Correct option is D)

Microsecond, lunar month and leap year all represent time, but parallactic second or parsec is defined as the distance at which one astronomical unit subtends an angle of one arcsecond, which is equal to 3.26 light years.

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