Photoelectric Effect in Hindi

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 characteristics is NOT associated with a photon?

a) Rest Mass

b) energy

c) Momentum

d) Frequency

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If electrons and photons have the same wavelength, which physical quantity will be identical for both?

a) energy

b) Velocity

c) Momentum

d) Angular momentum

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The number of photons needed to supply a fixed amount of energy $E$E varies:

a) Inversely with frequency

b) Directly with frequency

c) Independent of frequency

d) Inversely with wavelength

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Photons of frequency $\nu$ν strike a metal surface. If the frequency is doubled, the momentum of each photon will:

a) Become half

b) Remain unchanged

c) Become double

d) Become four times

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The photoelectric effect refers to the emission of:

a) Protons

b) Electrons

c) Photons

d) Positrons

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Let p and E represent the momentum and energy of photons respectively. If the wavelength of the incident radiation increases:

a) Both p and E increase

b) p increases and E decreases

c) p decreases and E increases

d) Both p and E decrease

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To increase the kinetic energy of photoelectrons, which parameter must be increased?

a) Intensity of radiation

b) Wavelength of radiation

c) Frequency of radiation

d) Both intensity and wavelength

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The phenomenon of the photoelectric effect was first observed by:

a) Hertz

b) Einstein

c) Lenard

d) Hallwachs

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The speed of emitted photoelectrons depends on:

a) Frequency of the incident radiation

b) Intensity of the incident radiation

c) Pressure of the incident radiation

d) Temperature of the incident radiation

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The number of photoelectrons emitted from a metal surface increases with an increase in:

a) Intensity of Light

b) Wavelength of Light

c) Frequency of Light

d) Applied potential difference

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In the photoelectric effect, the photoelectric current:

a) Increases with an increase in frequency of incident Light

b) Decreases with an increase in frequency of incident Light

c) Depends only on the intensity of incident Light

d) Depends on both the intensity and frequency of the incident Light

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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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