An electron with kinetic energy K₁ enters between parallel plates of a capacitor at an angle ' α ' with the plates. It leaves the plates at angle ' β ' with kinetic energy K₂. Then the ratio of kinetic energies K₁: K₂ will be:

Electrostatics: JEE Main 2021 Physics question

JEE Main 2021 · 25 Feb, Evening shift · Q6186

JEE Main 202125 Feb, Evening shiftPhysicsMediumElectrostatics167× since 2002

An electron with kinetic energy K₁ enters between parallel plates of a capacitor at an angle '

\alpha

' with the plates. It leaves the plates at angle '

\beta

' with kinetic energy K₂. Then the ratio of kinetic energies K₁ : K₂ will be :

JEE Main 2021 · 25 Feb, Evening shift · Q6186

JEE Main 202125 Feb, Evening shiftPhysicsMediumElectrostatics167× since 2002

An electron with kinetic energy K₁ enters between parallel plates of a capacitor at an angle '

\alpha

' with the plates. It leaves the plates at angle '

\beta

' with kinetic energy K₂. Then the ratio of kinetic energies K₁ : K₂ will be :