>
Exams
>
Physics
>
Photoelectric Effect
>
number of photo electrons emitted per second is pr
Question:
Number of photo electrons emitted per second is proportional to:
CUET (UG) - 2022
CUET (UG)
Updated On:
Mar 12, 2025
intensity of incident radiation
frequency of incident radiation
stopping potential
wavelength of incident radiation
Hide Solution
Verified By Collegedunia
The Correct Option is
A
Solution and Explanation
The correct answer is (A): intensity of incident radiation
Download Solution in PDF
Was this answer helpful?
0
0
Top Questions on Photoelectric Effect
Assertion : Photoelectric effect is a spontaneous phenomenon. Reason (R): According to the wave picture of radiation, an electron would take hours/days to absorb sufficient energy to overcome the work function and come out from a metal surface.
CBSE CLASS XII - 2026
Physics
Photoelectric Effect
View Solution
Light of which of the following colours will have the maximum energy in a photon associated with it?
CBSE CLASS XII - 2026
Physics
Photoelectric Effect
View Solution
\(10^{20}\) photons of wavelength \(660\,\text{nm}\) are emitted per second from a lamp. The wattage of the lamp is (Planck’s constant \(h=6.6\times10^{-34}\,\text{Js}\))
WBJEE - 2026
Physics
Photoelectric Effect
View Solution
An electron in Hydrogen atom jumps from the second Bohr orbit to the ground state and emits a photon. This photon strikes a material. If the work function of the material is 4.2 eV, then the stopping potential is
WBJEE - 2026
Physics
Photoelectric Effect
View Solution
When a light of a given wavelength falls on a metallic surface the stopping potential for photoelectrons is \(3.2\ \text{V}\). If a second light having wavelength twice of the first light is used, the stopping potential drops to \(0.7\ \text{V}\). The wavelength of the first light is ________ m.
JEE Main - 2026
Physics
Photoelectric Effect
View Solution
View More Questions
Questions Asked in CUET exam
Find the ratio of de-Broglie wavelengths of deuteron having energy E and \(\alpha\)-particle having energy 2E :
CUET (UG) - 2026
Dual nature of radiation and matter
View Solution
Match List-I with List-II \[ \begin{array}{|l|l|} \hline \textbf{Solutions} & \textbf{Explanation} \\ \hline (A) \; \text{Saturated solution} & (I) \; \text{Solution having two components.} \\ \hline (B) \; \text{Isotonic solutions} & (II) \; \text{A solution whose osmotic pressure is more than that of another.} \\ \hline (C) \; \text{Binary solution} & (III) \; \text{A solution which contains the maximum amount of solute that can be dissolved in a given amount of solvent at a given temperature.} \\ \hline (D) \; \text{Hypertonic solution} & (IV) \; \text{The solutions having the same osmotic pressure at a given temperature.} \\ \hline \end{array} \]
CUET (UG) - 2025
General Chemistry
View Solution
Let A = [aij]n x n be a matrix. Then Match List-I with List-II
List-I
(A) AT = A
(B) AT = -A
(C) |A| = 0
(D) |A| $\neq$ 0
List-II
(I) A is a singular matrix
(II) A is a non-singular matrix
(III) A is a skew symmetric matrix
(IV) A is a symmetric matrix
Choose the correct answer from the options given below:
CUET (UG) - 2025
Matrices and Determinants
View Solution
5, 10, 17, 26, ?, 50 — Find the missing number.
CUET (UG) - 2025
Number Series
View Solution
The atomic number of Lanthanum is 57. Its electronic configuration will be ......
CUET (UG) - 2025
General Chemistry
View Solution
View More Questions