If the Earth is considered a sphere of radius $R$ and mass $M$,then its angular momentum about its axis of rotation in terms of the time period $T$ will be:
- A$ \frac{\pi M R^3}{T} $
- B$ \frac{M R^2 \pi}{T} $
- C$ \frac{2 \pi M R^2}{5 T} $
- D$ \frac{4 \pi M R^2}{5 T} $
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