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Which of the following are not a unit of...

Which of the following are not a unit of time ?

A

Second

B

Parsec

C

Year

D

Light year

Text Solution

Verified by Experts

The correct Answer is:
B, D
We know that 1 light year = `9.46xx10^(11)m`
distance that light travels in 1 year with speed `3xx10^(8) m//s`.
1 parsec=`3.08xx10^(16)m`
Distance at which average radius of earth's orbit subtends an angle of 1 parsecond
Here, second and year represent time.
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