Question

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7. "The distance of a star from the earth is 8.33 light
minutes.' What do you mean by this statement ?
Ans. 1-5 x 1011
Express the distance in metre,​

Answer 1

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7. "The distance of a star from the earth is 8.33 light

minutes.' What do you mean by this statement ?

Ans. 1-5 x 1011

Express the distance in metre,

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The statement 'The distance of a star

from the earth is 8.33 light minutes' means that the light from the star takes 8.33 minutes to reach earth.

Given,

Speed of light = 3 × 10⁸ m/s

Distance covered in 1 sec = 3 × 10⁸

Time taken = 8.33 min

= 8.33 x 60 s

Distance = speed x time

= 3 x 108 x 8.33 × 60 = 1.

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Answer 2

Answer:

The statement is wrong it is light years not minutes.

Explanation:

1-5*1011=1006