Home
Class 12
PHYSICS
Find the minimum frequency of light whic...

Find the minimum frequency of light which can ionise a hydrogen atom.

A

`3.28times10^(15)Hz`

B

`5times10^(15)Hz`

C

`91.1 Hz`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ATOMIC STRUCTURE

    BITSAT GUIDE|Exercise BITSAT Archives|4 Videos

  • ALTERNATING CURRENT AND EM WAVE

    BITSAT GUIDE|Exercise BITSAT Archives|15 Videos

  • CATHODE RAY, PHOTOELECTRIC EFFECT AND X-RAYS

    BITSAT GUIDE|Exercise BITSAT Archives|6 Videos

Similar Questions

Explore conceptually related problems

(a) Find the maximum wavelength lambda_90) of light which can ionize a hydrogen atom in its ground (b) light of wavelength lambda_(0) is inclined on ahydrogen atom which is in its first excited state find the kinrtic energy of the electron coming out

The first ionization energy of caesium is 6.24 xx 10^(-19)J//"atom" . What is the minimum frequency of light that is required to ionize a caesium atom ?

Photons of minimum energy 496k,J. mol^(-1) are needed to an atoms. Calculate the lowest frequency of light that will ionize a sodium atom.

A beam of momechromatic light of wavelength lambda ejectes photonelectrons from a cesium (phi = 1.9eV) these photonelectron from a radius are made to ceslum with hydrogen atoms in ground state find the maximum value of lambda for which (a) hydrogen atoms may be ionised (b) hydrogen may get excited from the ground state to the first excited state and (c ) the excited hydrogen atoms may emit visible light

What is the highest frequency of a photon that can be emitted from a hydrogen atom ? What is the wavelength of this this photon ?

The kinetic energy of an electron in hydrogen atom is 3.40 eV .The minimum energy required to ionise the hydrogen atom is

Find the minimum wavelength emitted by a hydrogen atom due to electronic transition.

The minimum orbital angular momentum of the electron in a hydrogen atom is