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Standard X

Physics

Mirror Formula and Magnification

Question 130 ...

Question

Question 130

The moon is about 384000 km from earth and its path around the earth is nearly circular. Find the length of the path described by moon in one complete revolution. (Take, $π = 3.14$ )

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Solution

Length of path described by moon in one complete recolution = $2 π r$

$= 2 \times 3.14 \times 384000$ [ $∵$ radius = distance of moon from the earth]

$= 2411520 k m$

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The moon is about $384000 k m$ from the earth and it's path around the earth is nearly circular. Find the circumference of the path described by the moon in one complete revolution about the earth (use $π = 3.14$ )

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Mirror Formula and Magnification

Standard X Physics

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Question 130 The moon is about 384000 km from earth and its path around the earth is nearly circular. Find the length of the path described by moon in one complete revolution. (Take,π=3.14)

Length of path described by moon in one complete recolution = 2πr =2×3.14×384000 [∵ radius = distance of moon from the earth] =2411520 km

Question 130

The moon is about 384000 km from earth and its path around the earth is nearly circular. Find the length of the path described by moon in one complete revolution. (Take, $π = 3.14$ )

Length of path described by moon in one complete recolution = $2 π r$

$= 2 \times 3.14 \times 384000$ [ $∵$ radius = distance of moon from the earth]

$= 2411520 k m$