Home
Class 12
PHYSICS
Find the ionisation energy of a doubly ...

Find the ionisation energy of a doubly lonized lithium atom.

Text Solution

Verified by Experts

The correct Answer is:
A, B, D
`Z = 3 for doubly ionized atom E prop Z^2`
lonization energy of hydrogen atoms is 13.6 eV.
`:.` lonisation energy of this atom
`(3)^2(13.6)
=122.4 eV
Promotional Banner

Topper's Solved these Questions

  • MODERN PHYSICS - 1

    DC PANDEY ENGLISH|Exercise Exercise 33.3|6 Videos

  • MODERN PHYSICS - 1

    DC PANDEY ENGLISH|Exercise Exercise 33.4|8 Videos

  • MODERN PHYSICS - 1

    DC PANDEY ENGLISH|Exercise Exercise 33.1|6 Videos

  • MODERN PHYSICS

    DC PANDEY ENGLISH|Exercise Integer Type Questions|17 Videos

  • MODERN PHYSICS - 2

    DC PANDEY ENGLISH|Exercise Level 2 Subjective|10 Videos

Similar Questions

Explore conceptually related problems

Ionisation energy of hydrogen is

Ionisation energy of hydrogen is

For a doubly ionised Li-atom

For a doubly ionised Li-atom

The ionisation energy of 10 times innised sodium atom is

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

Calculate the ionisation energy of H atom.

A hydrogen atom makes a transition from n=2 to n=1 and emits a photon. This photon strikes a doubly ionized lithium atom (Z=3) in excited state and completely removes the orbiting electron. The least quantum number for the excited stated of the ion for the process is:

The ratio between acceleration of the electron in singlely ionized helium atom and doublely ionized lithium atom (both in ground state) is (x/27). Find value of x.

Which energy state of doubly ionized lithium Li^(++) has the same energy as that of the ground state of hydrogen?