If E and G respectively denote energy and gravitational constant, then E G has the dimensions of:

Question

If E and G respectively denote energy and gravitational constant, then E G has the dimensions of:, [ M ] L 0 T 0, [ M ] L - 1 T - 1, M 2 L - 1 T 0, M 2 L - 2 T - 1

MARKS App · Accepted Answer

Dimensional Formulas, Energy, [ E ] = M 1 L 2 T - 2 Gravitational constant [ G ] = F r 2 M 2 = M 1 L 1 T - 2 × L 2 M 2 [ G ] = M - 1 L 3 T - 2 Now, E G = M L 2 T - 2 M - 1 L 3 T - 2 = M 2 L - 1 T 0 Correct option (3)

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