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Light Year

One light yea...

Question

One light year is the distance that ___ travels in a year.

A

light

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B

an astronaut

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C

a star

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D

earth

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Solution

The correct option is A light
One light year is the distance that light travels in a year.

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Similar questions

Q. Assertion :A light-year is a distance that light travels with velocity of

3 \times 10^{8}

m s^{- 1}

in one year. Reason: Light year is the unit for measuring time.

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. The distance light travels in one year is approximately

5, 870, 000, 000, 000

km. The distance light travels in

100

Q. Question no 4. If the velocity of light is 3.0

\times 10^{8}

metres per second, calculate the distance travelled by light in a light year and express it in standard form.
[Hint: One light year = Distance travelled by light in a year.]

Q. What is the distance that light travels in one year called?

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