Lightyear is the unit of time.

True

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False

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Solution

The correct option is B False
A light-year is a unit of distance. It is the distance a light photon travels in the vacuum in one Julian year. Denoted by $l y$ .
The value of the one-light year is constant.
One light-year, $1 l y = 9.4607 \times 1012 k m$ .
Hence, the given statement is false.

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