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If the speed of light c, acceleration due to gravity (g) and pressure (p) are taken as the fundamental quantities then the dimension of gravitational constant isA. `c^2g^0p^-2`B. `c^0g^2p^-1`C. `cg^3p^-2`D. `c^-1g^0p^-1` |
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Answer» Correct Answer - B Let `[G]propc^xg^yp^z` by substituting the following dimensions: `[G]=[M^-1L^3T^-2]`,`[c]=[LT^-1]`,`[g]=[LT^-2]` and by conparing the power of both sides we cen get `x=0`,`y=2`,`z=-1` `[G]propc^0g^2p^-1` |
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