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It is a well known fact that during a total solar eclipse the disk of the moon almost completely covers the disk of the Sun. If the distance of the moon from the earth is $3.48 \times 10^8 m$ and the distance of sun from the earth is $ 1.496 \times 10^{11} m$, determine the approximate diameter of the moon.

$\begin {array} {1 1} (A)\;35.7 \times 10^6\: m & \quad (B)\;3.57 \times 10^6 m \\ (C)\;3.57 \times 10^3 m & \quad (D)\;35.7 \times 10^3 m \end {array}$

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Ans : (B)
$3.57 \times 10^6 m$
answered May 28, 2014 by thanvigandhi_1

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