QJEEM22Phec3c: JEE Main 2022 Physics - Class 11 JEEM22Phec3c Solution: The distance between Sun and Earth is R. The duration of year…

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The distance between Sun and Earth is R. The duration of year if the distance between Sun and Earth becomes 3R will be :

Accepted Answer

We know that

T² $\propto$ R³

$\Rightarrow {(\frac{T^{'}}{T})}^{2} = {(\frac{3 R}{R})}^{3}$

$\Rightarrow \frac{T^{'}}{T} = 3 \sqrt{3}$

$\Rightarrow T^{'} = 3 \sqrt{3}$ years

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