Question:
In a photoelectric experiment, the stopping potential is 1.5V. What is the maximum kinetic energy of a photoelectron?
In a photoelectric experiment, the stopping potential is 1.5V. What is the maximum kinetic energy of a photoelectron?
Show Hint
The stopping potential is directly related to the maximum kinetic energy of photoelectrons in the photoelectric effect.
Updated On: Mar 1, 2025
Hide Solution
Verified By Collegedunia
Solution and Explanation
The maximum kinetic energy of a photoelectron is equal to the energy provided by the photon minus the work function of the material. The kinetic energy is given by:
\[ K.E. = eV = 1.5 \, {eV} \] where \( e \) is the charge of the electron and \( V \) is the stopping potential.
Was this answer helpful?
0
0
Top Questions on Photoelectric Effect
- In a photoelectric experiment with a material of work function 2.1 eV, the stopping potential is found to be 2.5 V. The maximum kinetic energy of ejected photoelectrons is:
- CBSE CLASS XII - 2025
- Physics
- Photoelectric Effect
- Mention any three features of results of experiment on photoelectric effect which cannot be explained using the wave theory of light.
- CBSE CLASS XII - 2025
- Physics
- Photoelectric Effect
- In his experiment on photoelectric effect, Robert A. Millikan found the slope of the cut-off voltage versus frequency of incident light plot to be \( 4.12 \times 10^{-15} \, \text{Vs} \). Calculate the value of Planck’s constant from it.
- CBSE CLASS XII - 2025
- Physics
- Photoelectric Effect
- The stopping potential for photoelectric emission from a metal surface is 2 V when light of wavelength 400 nm is incident. What will be the stopping potential for light of wavelength 300 nm? (Planck’s constant \( h = 6.63 \times 10^{-34} \) Js, speed of light \( c = 3 \times 10^8 \) m/s, charge of electron \( e = 1.6 \times 10^{-19} \) C)
- CUET (UG) - 2025
- Physics
- Photoelectric Effect
Which of the following options represent the variation of photoelectric current with the property of light shown on the x-axis?
- NEET (UG) - 2025
- Physics
- Photoelectric Effect
View More Questions
Questions Asked in MH Board Class XII exam
- What is a nanomaterial? Write the reaction involved in the sol-gel process during hydrolysis.
- MH Board Class XII - 2024
- Nanotechnology
Derive an expression for maximum speed of a vehicle moving along a horizontal circular track.
- MH Board Class XII - 2024
- Circular motion
- Draft an E-mail to the manager of a company to request him/her to give you an opportunity as an apprentice to serve you as an experience for your career development.
- MH Board Class XII - 2024
- Writing Skills
- Construct the truth table for the statement pattern: \[ [(p \rightarrow q) \land q] \rightarrow p \]
- MH Board Class XII - 2024
- Propositional Logic
If the mean and variance of a binomial distribution are \( 18 \) and \( 12 \) respectively, then the value of \( n \) is __________.
- MH Board Class XII - 2024
- Statistics and Probability
View More Questions