The effect on the number of ejected electrons per unit time on increasing the frequency of light above the cutoff frequency, when the intensity of light remains constant, from the given options: a. The number of electrons remains same because one photon can only eject one electron. b. The number of electrons increases because each photon can be absorbed by two neighboring electrons. c. The number of electrons increases because a photon can collide with an electron, transfering a part of its energy to the electron as it scatters, and then collides with other surrounding electrons. As long as the photon has enough energy, it will eject an electron at each collision. d. The number of electrons decreases because we need fewer photons with larger frequency to maintain the same intensity of light. e. The number of electrons decreases because photons with a higher frequency have a lower probability of colliding with electrons than low-frequency photons.

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Chapter 27, Problem 11MCQ

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The effect on the number of ejected electrons per unit time on increasing the frequency of light above the cutoff frequency, when the intensity of light remains constant, from the given options:

a. The number of electrons remains same because one photon can only eject one electron.

b. The number of electrons increases because each photon can be absorbed by two neighboring electrons.

c. The number of electrons increases because a photon can collide with an electron, transfering a part of its energy to the electron as it scatters, and then collides with other surrounding electrons. As long as the photon has enough energy, it will eject an electron at each collision.

d. The number of electrons decreases because we need fewer photons with larger frequency to maintain the same intensity of light.

e. The number of electrons decreases because photons with a higher frequency have a lower probability of colliding with electrons than low-frequency photons.

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