Home
Class 11
CHEMISTRY
The kinetic energy of electron is 3.0 xx...

The kinetic energy of electron is `3.0 xx 10^(-25)J`. The wave length of the electron is

A

`7965 A^(0)`

B

`4625 A^(0)`

C

`91A^(0)`

D

`8967 A^(0)`

Text Solution

Verified by Experts

The correct Answer is:
B

`lambda= (h)/(sqrt(2mkE))`
Promotional Banner

Topper's Solved these Questions

  • STRUCTURE OF ATOM

    NARAYNA|Exercise EXERCISE - IV QUANTUM MECHANICAL MODEL OF ATOM|3 Videos
  • STRUCTURE OF ATOM

    NARAYNA|Exercise EXERCISE - IV EXEMPLAR PROBLEMS|24 Videos
  • STRUCTURE OF ATOM

    NARAYNA|Exercise EXERCISE - IV BOHR.S ATOMIC MODEL|4 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

The kinetic energy of an electron is 4.55 xx 10^(-25)J . The mass of electron is 9.1 xx 10^(-31)kg . Calculate velocity, momentum and wavelength of the electron.

The kinetic energy of an electron is 4.55 xx 10^(-25) J .The mass of electron is 9.1 xx 10^(-34) kg Calculate velocity of the electron

The kinetic energy of an electron is 4.55 xx 10^(-25)J . Calculate the wavelength . [h = 6.6 xx 10^(-34)Js , mass of electron = 9.1 xx 10^(-31)kg]

The kinetic enegry of a moving electron is 3.0 xx 10^(-25)J . Calculate its wavelength.

In photoelectric effect, the energy of the photon striking a metallic surface is 5.6 xx 10^(-19)J . The kinetic energy of the ejected electrons is 12.0 xx 10^(-20)J . The work function is:

An electron in a hydrogen like atom is in an excited state3 . It has a total energy of -3 4 eV. Calculate : (a) The kinetic energy of electron . (b) The de-Broglie wavelength of electron . ( h = 6.6 xx 10^(023) , m_e = 9 .108 xx 10^(-31) kg)

In photo electric effect, the energy photon striking a metallic surface is 5.6 xx 10^(-19)J . The kinetic energy of the ejected electrons is 12.0xx 10^(-20)J . The work function is

If the kinetic energy of an electron is increased 4 times, the wavelength of the de Broglie wave associated with it would becomes:

An electron is moving with a kinetic energy of 4.55 xx 10^-25 J . What will be Broglie wavelength for this electron ?