Home
Class 12
PHYSICS
For a doubly ionised Li-atom...

For a doubly ionised Li-atom

A

Angular momentum of an electron in 3rd orbit is `"3h"/(2pi)`

B

Energy of electron in 2nd excited state is -13.6 eV

C

Speed of electron in 3rd orbit is `c/137`, where c is speed of light

D

Kinetic energy of electron is 2nd excited state is half of the magnitude of the potential energy

Text Solution

Verified by Experts

The correct Answer is:
A, B, C, D
Promotional Banner

Topper's Solved these Questions

  • ATOMS

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION D (Linked Comprehension)|4 Videos

  • ATOMS

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION E (Assertion-Reason)|2 Videos

  • ATOMS

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION B Objective (One option is correct )|12 Videos

  • ALTERNATING CURRENT

    AAKASH INSTITUTE|Exercise Assignment (Section-J) (Aakash Chailengers Questions)|1 Videos

  • COMMUNICATION SYSTEMS

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION D (Assertion-Reason)|10 Videos

Similar Questions

Explore conceptually related problems

As par Bohr model, the minimum energy (in eV ) required to remove an electron from the ground state of doubly ionized Li atom (Z = 3) is

A doubly ionised Li atom is excited from its ground state(n = 1) to n = 3 state. The wavelengths of the spectral lines are given by lamda_(32), lamda_(31) and lamda_(21) . The ratio l_(32)//lamda_(31) and l_(21)//l_(31) are, respectively

The ratio between acceleration of the electron in singly ionised helium atom and doubly ionised lithium atom (both in ground state ) is

If lambda is the wavelength of hydrogen atom from the transition n=3 to n=1 ,then what is the wavelength for doubly ionised lithium ion for same transition?

Find the ionisation energy of a doubly lonized lithium atom.

Find the energy relased (in junles) when a doubly ionised helium (He^(2+)) taken up two electron in form a helium atom in the ground state .The first ionisation energy of a helium atom is 3.4 xx 10^(-19) J

The wavelength of the first line of the Balmer series of hydrogen atom is lamda . The wavelength of the corresponding line line of doubly ionized lithium atom is

The energy of electron in 1st orbit of hydrogen atom is -13.6 eV . What will be the energy of doubly ionised ._(3)Li^(7) atom in the first orbit?