The mean radius of the earth’s orbit round the sun is . The mean radius of the orbit of mercury round the sun is . The mercury will rotate around the sun in |
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a) |
A year |
b) |
Nearly 4 years |
c) |
Nearly year |
d) |
2.5 years |

The mean radius of the earth’s orbit round the sun is . The mean radius of the orbit of mercury round the sun is . The mercury will rotate around the sun in |
|||||||

a) |
A year |
b) |
Nearly 4 years |
c) |
Nearly year |
d) |
2.5 years |

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