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In unit of time is taken as one year and...

In unit of time is taken as one year and the unit of speed is taken as the speed of light, then the unit of distance (length) is known as

A

`1 Å`

B

1 fermi

C

One light year

D

1 Parsec

Text Solution

Verified by Experts

The correct Answer is:
c
Distance travelled by light in one year = Speed of light `xx` 1 year
Parsec in a unit of speed.
`1Å=10^(-10)m`, 1 fermi = `10^(-15)` m
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