Correct the mistakes if any, in the following statements:
i) Astronomical unit is the mean distance of the surface of the sun from the surface of the earth.
ii) Light year is the distance travelled by light in one year in vacuum at a speed of $3 \times 10^{8} m$ per minute

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Solution

$(i)$ Wrong
Correct statement: Astronomical unit is the mean distance between the centre of the sun and centre of the earth.
$(i i)$ Wrong
Correct statement: Light year is the distance traveled by light in one year in vacuum at a speed of $3 \times 10^{8}$ per second.

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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. Match the columns

A	B
(1) Speed of light	(a) 4.3 light years away from earth
(2) Light year	(b) 300,000 km/s
(3) Sun	(c) Nearest star
(4) Alpha Centauri	(d) distance travelled by light in one year
	(e) 18 light minutes away from the Earth

Q. A light year is the distance travelled by light in one year. How many kilometers does light travel in a year assuming speed of light is

3 \times 10^{8} m s^{- 1}

A lightyear is a unit of distance. It is the distance travelled by light in one year. If the speed of light is equal to 3 x $10^{8}$ m/s, how many kilometres will make up 1 light year?

Q. If light travelling from the Sun at the speed of

3 \times 10^{8} m / s

, reach a planet

A

25 m i n 30 s e c

. Then what is the distance between the Sun and the planet?

(1 light year

= 9.461 \times 10^{12} k m

)

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Correct the mistakes if any, in the following statements:i) Astronomical unit is the mean distance of the surface of the sun from the surface of the earth.ii) Light year is the distance travelled by light in one year in vacuum at a speed of 3×108m per minute

(i) WrongCorrect statement: Astronomical unit is the mean distance between the centre of the sun and centre of the earth.(ii) WrongCorrect statement: Light year is the distance traveled by light in one year in vacuum at a speed of 3×108 per second.

Correct the mistakes if any, in the following statements:
i) Astronomical unit is the mean distance of the surface of the sun from the surface of the earth.
ii) Light year is the distance travelled by light in one year in vacuum at a speed of $3 \times 10^{8} m$ per minute

$(i)$ Wrong
Correct statement: Astronomical unit is the mean distance between the centre of the sun and centre of the earth.
$(i i)$ Wrong
Correct statement: Light year is the distance traveled by light in one year in vacuum at a speed of $3 \times 10^{8}$ per second.