Units and Measurements: JEE Main 2021 Physics question

JEE Main 2021 · 25 Feb, Evening shift · Q8243

JEE Main 202125 Feb, Evening shiftPhysicsMediumUnits and Measurements122× since 2002

If e is the electronic charge, c is the speed of light in free space and h is Planck's constant, the quantity

{1 \over {4\pi {\varepsilon _0}}}{{|e{|^2}} \over {hc}}

has dimensions of :

JEE Main 2021 · 25 Feb, Evening shift · Q8243

JEE Main 202125 Feb, Evening shiftPhysicsMediumUnits and Measurements122× since 2002

If e is the electronic charge, c is the speed of light in free space and h is Planck's constant, the quantity

{1 \over {4\pi {\varepsilon _0}}}{{|e{|^2}} \over {hc}}

has dimensions of :

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