Tarun got to know that the next nearest star to us is Alpha Centauri and is at a distance of 4 light years from the Earth. What does it mean?

Light has to travel 48 months to reach that star.

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Light has to travel 40 years to reach that star.

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Light has to travel 43 months to reach that star.

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Light has to travel 4 months to reach that star.

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Solution

The correct option is A
Light has to travel 48 months to reach that star.

Light year is the distance light travels in one ‘Earth year’ which has 12 months in it. It is given that Alpha Centauri is 4 light years away from us. It means light has to travel 4 years or 48 months to reach that star.

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Similar questions

Tarun got to know from his elder brother that sun is the nearest star and is approximately 150 million kilometers away from the earth. He wanted to know which is the next nearest star and what is its distance from the earth. His tutor told him that the nearest star is alpha century and is at a distance of 4.3 light years from the earth. Tarun does not know what a light year is. Can you tell him?

Q.
Distance from Earth to Proxima Centauri, the next nearest star is:

Proxima Centauri is the nearest known star to the Sun. It is situated at a distance of 4.24 light years from the Sun. How many kilometers is it away from the Sun?

After the sun, the next nearest star to the Earth is:

(a) Alpha Centauri

(b) Pole Star

(d) Proxima Centauri

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

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Tarun got to know that the next nearest star to us is Alpha Centauri and is at a distance of 4 light years from the Earth. What does it mean?

The correct option is A Light has to travel 48 months to reach that star. Light year is the distance light travels in one ‘Earth year’ which has 12 months in it. It is given that Alpha Centauri is 4 light years away from us. It means light has to travel 4 years or 48 months to reach that star.

The correct option is A
Light has to travel 48 months to reach that star.

Light year is the distance light travels in one ‘Earth year’ which has 12 months in it. It is given that Alpha Centauri is 4 light years away from us. It means light has to travel 4 years or 48 months to reach that star.