An electron of mass 'm' and charge 'e' is accelerated from rest through a potential difference 'V' in vacuum. Its final velocity will be

\frac{e V}{2 m}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

\frac{e V}{m}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

\sqrt{\frac{2 e V}{m}}

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

\sqrt{\frac{e V}{m}}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C $\sqrt{\frac{2 e V}{m}}$
As we know,
Work done = eV
Where e : Charge on electron
V : Potential Difference

Since this work done is in the form of kinetic energy,

Hence,
v =
Correct option is C

Suggest Corrections

Similar questions

Q. An electron of mass

m

and charge

e

accelerated from rest through a potential difference

V

in vacuum. Its final speed will be:

Q. An electron of mass

m

and charge

e

is accelerated from rest through a potential difference of

V

volt in vacuum. Its final speed will be

An electron of mass m and charge e is accelerated from rest through a potential difference v in vacuum. What speed will it acquire?

An electron of mass $M k g$ and charge $e c o u l o m b$ travels from rest through a potential difference of $V v o l t$ . The final velocity of the electron is $(i n m / s)$ :

Q. The mass of an electron is

m

, its charge

e

, and it is accelerated from rest through a potential difference

V

. The velocity of electron will be calculated by formula:

Join BYJU'S Learning Program

An electron of mass 'm' and charge 'e' is accelerated from rest through a potential difference 'V' in vacuum. Its final velocity will be

The correct option is C √2eVmAs we know,Work done = eVWhere e : Charge on electron V : Potential Difference Since this work done is in the form of kinetic energy, Hence,v = Correct option is C

The correct option is C $\sqrt{\frac{2 e V}{m}}$
As we know,
Work done = eV
Where e : Charge on electron
V : Potential Difference

Since this work done is in the form of kinetic energy,

Hence,
v =
Correct option is C