Question

Q3. Which physical quantity has the unit
'light year'.(किस भौतिक राशि का मात्रक प्रकाश
वर्ष है?)
OMass (द्रव्यमान)
O Time (समय)
Length (लंबाई)
Temperature (ताप)
Clear selection​

Answer 1

Explanation:

Length

Length is the physical quantity which is related to the unit light year. Light year is an unit which describes the distance travelled by light rays in the time period of a whole year. So,it is obvious that the light year unit is related with the length and length is one of the seven basic physical quantities.....

Answer 2

Answer:

c. Length.

Explanation:

The distance travelled by light in one year is known as light year

it is a unit of distance.

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