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Byju's Answer
Standard IX
Physics
Special Units
Light year is...
Question
Light
year is the unit of
A
time
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B
distance
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C
speed of light
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D
intensity of light
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Solution
The correct option is
B
distance
One light year is defined as the distance travelled by light in vacuum in one year. Light year is a unit of distance.
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Similar questions
Q.
Assertion (A)
: Light year is the unit of time.
Reason (R): Light year is the distance travelled by light in vacuum in one year.
Q.
Light years is the unit of:
Q.
A light-year is a unit of
Q.
Assertion :A light-year is a distance that light travels with velocity of
3
×
10
8
m
s
−
1
in one year. Reason: Light year is the unit for measuring time.
Q.
Light year is a unit for measurement of
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