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Physics · 2021

JEE Main · 31 August 2021, Shift 1 · Q13

Which of the following equations is dimensionally incorrect? Where t = time, h = height, s = surface tension, θ= angle, ρ= density, a, r = radius, g…

Which of the following equations is dimensionally incorrect ? Where $\displaystyle \mathrm{t}=$ time, $\displaystyle \mathrm{h}=$ height, $\displaystyle \mathrm{s}=$ surface tension, $\displaystyle \theta=$ angle, $\displaystyle \rho=$ density, $\displaystyle \mathrm{a}, \mathrm{r}=$ radius , $\displaystyle \mathrm{g}=$ acceleration due to gravity, $\displaystyle \mathrm{v}=$ volume, $\displaystyle \mathrm{p}=$ pressure, $\displaystyle \mathrm{W}=$ work done, $\displaystyle \Gamma=$ torque, $\displaystyle \epsilon=$ permittivity, $\displaystyle \mathrm{E}=$ electric field, $\displaystyle \mathrm{J}=$ current density, $\displaystyle \mathrm{L}=$ length.
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.