4.2 seconds, 42 seconds, 4.2 years, 42 years" />
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Today General Knowledge(GK)
Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in
A)
4.2 seconds
B)
42 seconds
C)
4.2 years
D)
42 years

Correct Answer : Option (C) - 4.2 years


Published On : July 3, 2020
Category : Physics
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