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NEET UG PHYSICS MCQ: UNITS & MEASUREMENTS

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Analyzing +4 | -1
From the dimensional consideration, which of the following equation is correct
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Correct option: A
T=2πrR3GM  T = 2\pi r\sqrt {\begin{array}{cccccccccccccccccccc} {\frac{{{R^3}}}{{GM}}}\\ \; \end{array}}
Option A (T=2Ï€rR3GMT = 2\pi r\sqrt {\begin{array}{cccccccccccccccccccc} {\frac{{{{{R^3}}}}}{{{{GM}}}}}\\ \\ \end{array}}) is correct because it is dimensionally incorrect. The correct equation should be T=2Ï€R3GMT = 2\pi \sqrt {\frac{{{R^3}}}{{GM}}}

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