Exams
Subjects
Classes
Home
Exams
Chemistry
Photoelectric Effect
which of the following st...
Question:
medium
Which of the following statement is wrong regarding the photo electric effect.
Show Hint
Intensity controls number of electrons, frequency controls energy of electrons.
COMEDK UGET - 2025
COMEDK UGET
Updated On:
May 5, 2026
Photo electric current is directly proportional to the intensity of the incident radiation
The maximum kinetic energy of the electrons emitted depends on the intensity of the incident radiation
The maximum kinetic energy of the electrons emitted depends on the frequency of the incident radiation
The value of the stopping potential increases with the increase in frequency of the incident radiation
Show Solution
The Correct Option is
B
Solution and Explanation
Download Solution in PDF
Was this answer helpful?
0
Top Questions on Photoelectric Effect
The difference between threshold wavelengths for two metal surfaces \( A \) and \( B \) having work functions \( \phi_A = 9 \, \text{eV} \) and \( \phi_B = 4.5 \, \text{eV} \) is:
\[ \text{(Given: } h c = 1242 \, \text{eV nm)} \]
MHT CET - 2024
Physics
Photoelectric Effect
View Solution
The maximum kinetic energy of the photoelectrons varies.
MHT CET - 2024
Physics
Photoelectric Effect
View Solution
The work function of a metal is 2 eV. What is the threshold frequency for the photoelectric emission?
(Take Planck's constant $ h = 6.63 \times 10^{-34} \, \text{Js} $, $ 1 \, \text{eV} = 1.6 \times 10^{-19} \, \text{J} $)
BITSAT - 2025
Physics
Photoelectric Effect
View Solution
If \(\phi\) is the work function of photosensitive material in eV and light of wavelength of numerical value \(\lambda = \frac{hc}{e}\) metre, is incident on it with energy above its threshold value at an instant then the maximum kinetic energy of the photo-electron ejected by it at that instant (Take \(h\)-Planck’s constant, \(c\)-velocity of light in free space) is (in SI units):
NEET (UG) - 2024
Physics
Photoelectric Effect
View Solution
Want to practice more? Try solving extra ecology questions today
View All Questions
Questions Asked in COMEDK UGET exam
The solution of \( (x+\log y)dy+ydx=0 \) when \( y(0)=1 \) is
COMEDK UGET - 2025
Differential equations
View Solution
The order of the differential equation \( \frac{d}{dz}\left[\left(\frac{dy}{dz}\right)^3\right]=0 \) is
COMEDK UGET - 2025
Order and Degree of Differential Equation
View Solution
Find the value of \( \displaystyle \lim_{h \to 0} \frac{(a+h)^2 \sin(a+h) - a^2 \sin a}{h} \)
COMEDK UGET - 2025
Derivatives
View Solution
\( 0.2 + 0.22 + 0.022 + \cdots \) up to \( n \) terms is equal to
COMEDK UGET - 2025
Sequence and series
View Solution
The solution set of the system of inequalities \( 5-4x \leq -7 \) or \( 5-4x \geq 7,\ x \in R \) is
COMEDK UGET - 2025
linear inequalities
View Solution