Light year is the unit of of physical quantity which is also expressed...
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The SI unit for length is the meter (m). Its defined as the length of the path traveled by light in a vacuum during a time interval of 1/299 792 458 of a second.
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Light year is the unit of physical quantity which is also expressed in metres.
1light year = 9.46×10^15 metres.
Light year is the distance travelled by the light in one year in vacuum/air.
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nadirkhan0707:
What!?? See my question plzz properly
what does your question mean?
I say some options okay
1 angstrom
2 hertz
3 farad
4 m/s
Plzz help I confuse this answer
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