Light from the star, Alpha Centauri, which is nearest to ...
Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in
4.2 seconds
42 seconds
4.2 years
42 years
Correct answer is C
No explanation has been provided for this answer.
Which of the following statements explains lost volt in an electric circuit? The ...
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In an experiment in which molten naphthalene is allowed to cool, the cooling curve i n the figu...
The heat from the sun reaches the earth by the process ...
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