The light rays having photons of energy 1.8 eV are falling on a metal surface having a work function 1.2 eV. What is the stopping potential to be applied to stop the emitting electrons

3 eV

No worries! We‘ve got your back. Try BYJU‘S free classes today!

1.2 eV

No worries! We‘ve got your back. Try BYJU‘S free classes today!

0.6 eV

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

1.4 eV

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C
0.6 eV

Stopping potential $= 1.8 e V - 1.2 e V = 0.6 e V$

Suggest Corrections

Similar questions

The light rays having photons of energy 1.8 eV are falling on a metal surface having a work function 1.2 eV. What is the stopping potential to be applied to stop the emitting electrons

Q. The light rays having photons of energy 1.8

e V

are falling on metal surface having a work function 1.2

e V

. What is the stopping potential to be applied in order to stop the emitting electrons?

Q. A monochromatic light of intensity 8 mW emits

5 \times 10^{15}

photons per second. The light ejects photoelectrons from a metal surface. The stopping potential for this set up is 3V. What is the work function of the metal?

Q. The potential difference that must be applied to stop the fastest photoelectrons emitted by a nickel surface, having work function 5.01 eV, when ultraviolet light of 200nm falls on it, must be

Q. A light having wavelength 300 nm fall on a metal surface. The work function of metal is 2.54 e V, what is stopping potential ?

Join BYJU'S Learning Program

The light rays having photons of energy 1.8 eV are falling on a metal surface having a work function 1.2 eV. What is the stopping potential to be applied to stop the emitting electrons

The correct option is C 0.6 eV Stopping potential =1.8eV−1.2eV=0.6eV

The correct option is C
0.6 eV

Stopping potential $= 1.8 e V - 1.2 e V = 0.6 e V$