Photoelectric Effect in Hindi. We covered all the Photoelectric Effect in Hindi in this post for free so that you can practice well for the exam.
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Mock Test on Photoelectric Effect for Students
Which of the following property is not possessed by a photon?
(A) Rest mass
(B) Energy
(C) Momentum
(D) Frequency
Option a - Rest mass
If we consider electrons and photons of the same wavelength, then they will have the same :
(A) Energy
(B) Velocity
(C) Momentum
(D) Angular momentum
Option c - Momentum
The number of photons required to give a definite energy E varies :
(A) Inversely as the frequency
(B) Directly as the frequency
(C) Independent of the frequency
(D) Inversely as the wavelength
Option c - Independent of the frequency
The photons are incident on a metallic surface of frequency n. If the frequency of the radiation becomes double, the momentum of the photon :
(A) Becomes half
(B) Remains the same
(C) Becomes double
(D) Becomes four times
Option c - Becomes double
The photoelectric effect is the emission of
(A) Protons
(B) Electrons
(C) Photons
(D) Positrons
Option b - Electrons
Let 'p' and 'E' denote the linear momentum and energy of emitted photons respectively. If the wavelength of incident radiation is increased :
(A) both p and E increase
(B) p increases and E decreases
(C) p decreases and E increases
(D) both p and E decrease
Option d - both p and E decrease
In order to increase the kinetic energy of ejected photoelectrons, there should be an increase in
(A) the Intensity of radiation
(B) Wavelength of radiation
(C) Frequency of radiation
(D) Both (A) and (B)
Option c - Frequency of radiation
The photoelectric effect was discovered by :
(A) Hertz
(B) Einstein
(C) Lanyard
(D) Hallwach
Option a - Hertz
The velocity of photoelectrons depends upon
(A) the Frequency of the incident photons
(B) the Intensity of the incident photons
(C) the Pressure of the incident photons
(D) the Temperature of the incident photons
Option a - the Frequency of the incident photons
The number of ejected photoelectrons increases with an increase in
(A) Intensity of light
(B) Wavelength of light
(C) Frequency of light
(D) Potential difference
Option a - Intensity of light
In the photoelectric effect, the photoelectric current :
(A) Increases when the frequency of incident photons increases
(B) Decreases when the frequency of incident photons increases
(C) Does not depend on photon frequency, but only on the intensity of the incident beam of photons.
(D) Depends both on the intensity and frequency of the beam of photons
Option d - Depends both on the intensity and frequency of the beam of photons
We covered all the photoelectric effect in Hindi above in this post for free so that you can practice well for the exam.
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