Home
Class 11
CHEMISTRY
The kinetic energy of an electron accele...

The kinetic energy of an electron accelerated from rest through a potential difference of 5V will be

A

5J

B

5erg

C

5eV

D

`8xx10^(-10)` eV

Text Solution

Verified by Experts

The correct Answer is:
C

`(1)/(2) mv^(2) = e.v`
`V^2 = (2eV)/(m)" "V= sqrt((2eV)/(m))`
Promotional Banner

Topper's Solved these Questions

  • STRUCTURE OF ATOM

    NARAYNA|Exercise EXERCISE - II (C. W.) QUANTUM MECHANICS & NUMBERS|9 Videos
  • STRUCTURE OF ATOM

    NARAYNA|Exercise EXERCISE - II (C. W.) ELECTRONIC CONFIGURATIONS|3 Videos
  • STRUCTURE OF ATOM

    NARAYNA|Exercise EXERCISE - II (C. W.) BOHR.S ATOMIC MODEL|9 Videos
  • STATES OF MATTER

    NARAYNA|Exercise A & R TYPE QUESTIONS|16 Videos
  • THERMODYNAMICS

    NARAYNA|Exercise Assertion- Reason|5 Videos

Similar Questions

Explore conceptually related problems

At what temperature does the average translational kinetic energy of molecule in a gas become equal to kinetic energy of an electron accelerated from rest through a potential difference of 1 volt? (K=1.38xx10^(-23)J//k)

What is the de Broglie wavelength of an electron accelerated from rest through a potential difference of V volts?

What temperature does the average translational K.E. of a molecule is a gas becomes equal to K.E. of an electron accelerated from rest through potential difference of V volt? All symbols have their usual meaning.

At what temperature does the average translational K.E. of a molecule in a gas becomes equal to K.E. of an electron accelerated from rest through potential difference of V volt ? All symbols have their usual meaning.

Kinetic energy of an electron accelerated in a potential difference of 100 V is

Calculate the de Broglie wavelength of an electron that has been accelerated from rest through a potential differecne of 1kV.

An electron beam accelerated from rest through a potential difference of 5000 V in vacuum is allowed to impinge on a surface normally. The incident current is 50 muA and if the electrons come to rest on striking the surface the force on it is