The correct statement about the energy of emitted electrons when light incident on a metal surface.

Question

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Answer 1

Question

Chapter 9, Problem 1MC

To determine

The correct statement about the energy of emitted electrons when light incident on a metal surface.

Expert Solution & Answer

Answer to Problem 1MC

Option (b) vary with the frequency of light.

Explanation of Solution

Given Info:

When a photon of sufficient energy incident on a metal surface, its energy is transferred into the electrons on the metal surface. Using this energy, electrons leaves the metal surface and gain kinetic energy. This is called the photoelectric effect.

Conclusion:

Electrons gain kinetic energy from the energy of photon. Energy of photon strictly depends on its frequency. So energy of emitted electron is proportional to frequency of incident light.is Thus, option (b) is correct.

Intensity of light is a measure of number of photons incident on a unit area. Increase in intensity means the increase in number of incident photons only. Intensity cannot increase the kinetic energy of electron emitted from the metal surface. Thus, option (a) is incorrect.

Speed of light in a medium is a constant. Energy of emitted electron from metal surface has no any relation with speed of incident radiation. Thus, option (c) is incorrect.

The kinetic energy of emitted electrons can be calculated using Einstein’s photoelectric equation. Thus, option (d) is incorrect.

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Answer 2

Question

Chapter 9, Problem 1MC

To determine

The correct statement about the energy of emitted electrons when light incident on a metal surface.

Expert Solution & Answer

Answer to Problem 1MC

Option (b) vary with the frequency of light.

Explanation of Solution

Given Info:

When a photon of sufficient energy incident on a metal surface, its energy is transferred into the electrons on the metal surface. Using this energy, electrons leaves the metal surface and gain kinetic energy. This is called the photoelectric effect.

Conclusion:

Electrons gain kinetic energy from the energy of photon. Energy of photon strictly depends on its frequency. So energy of emitted electron is proportional to frequency of incident light.is Thus, option (b) is correct.

Intensity of light is a measure of number of photons incident on a unit area. Increase in intensity means the increase in number of incident photons only. Intensity cannot increase the kinetic energy of electron emitted from the metal surface. Thus, option (a) is incorrect.

Speed of light in a medium is a constant. Energy of emitted electron from metal surface has no any relation with speed of incident radiation. Thus, option (c) is incorrect.

The kinetic energy of emitted electrons can be calculated using Einstein’s photoelectric equation. Thus, option (d) is incorrect.

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Answer 3

Question

Chapter 9, Problem 1MC

To determine

The correct statement about the energy of emitted electrons when light incident on a metal surface.

Expert Solution & Answer

Answer to Problem 1MC

Option (b) vary with the frequency of light.

Explanation of Solution

Given Info:

When a photon of sufficient energy incident on a metal surface, its energy is transferred into the electrons on the metal surface. Using this energy, electrons leaves the metal surface and gain kinetic energy. This is called the photoelectric effect.

Conclusion:

Electrons gain kinetic energy from the energy of photon. Energy of photon strictly depends on its frequency. So energy of emitted electron is proportional to frequency of incident light.is Thus, option (b) is correct.

Intensity of light is a measure of number of photons incident on a unit area. Increase in intensity means the increase in number of incident photons only. Intensity cannot increase the kinetic energy of electron emitted from the metal surface. Thus, option (a) is incorrect.

Speed of light in a medium is a constant. Energy of emitted electron from metal surface has no any relation with speed of incident radiation. Thus, option (c) is incorrect.

The kinetic energy of emitted electrons can be calculated using Einstein’s photoelectric equation. Thus, option (d) is incorrect.

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Answer 4

Question

Chapter 9, Problem 1MC

To determine

The correct statement about the energy of emitted electrons when light incident on a metal surface.

Expert Solution & Answer

Answer to Problem 1MC

Option (b) vary with the frequency of light.

Explanation of Solution

Given Info:

When a photon of sufficient energy incident on a metal surface, its energy is transferred into the electrons on the metal surface. Using this energy, electrons leaves the metal surface and gain kinetic energy. This is called the photoelectric effect.

Conclusion:

Electrons gain kinetic energy from the energy of photon. Energy of photon strictly depends on its frequency. So energy of emitted electron is proportional to frequency of incident light.is Thus, option (b) is correct.

Intensity of light is a measure of number of photons incident on a unit area. Increase in intensity means the increase in number of incident photons only. Intensity cannot increase the kinetic energy of electron emitted from the metal surface. Thus, option (a) is incorrect.

Speed of light in a medium is a constant. Energy of emitted electron from metal surface has no any relation with speed of incident radiation. Thus, option (c) is incorrect.

The kinetic energy of emitted electrons can be calculated using Einstein’s photoelectric equation. Thus, option (d) is incorrect.

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Answer 5

Chapter 9, Problem 1MC

To determine

The correct statement about the energy of emitted electrons when light incident on a metal surface.

Expert Solution & Answer

Answer to Problem 1MC

Option (b) vary with the frequency of light.

Explanation of Solution

Given Info:

When a photon of sufficient energy incident on a metal surface, its energy is transferred into the electrons on the metal surface. Using this energy, electrons leaves the metal surface and gain kinetic energy. This is called the photoelectric effect.

Conclusion:

Electrons gain kinetic energy from the energy of photon. Energy of photon strictly depends on its frequency. So energy of emitted electron is proportional to frequency of incident light.is Thus, option (b) is correct.

Intensity of light is a measure of number of photons incident on a unit area. Increase in intensity means the increase in number of incident photons only. Intensity cannot increase the kinetic energy of electron emitted from the metal surface. Thus, option (a) is incorrect.

Speed of light in a medium is a constant. Energy of emitted electron from metal surface has no any relation with speed of incident radiation. Thus, option (c) is incorrect.

The kinetic energy of emitted electrons can be calculated using Einstein’s photoelectric equation. Thus, option (d) is incorrect.

Answer 6

Chapter 9, Problem 1MC

To determine

The correct statement about the energy of emitted electrons when light incident on a metal surface.

Expert Solution & Answer

Answer to Problem 1MC

Option (b) vary with the frequency of light.

Explanation of Solution

Given Info:

When a photon of sufficient energy incident on a metal surface, its energy is transferred into the electrons on the metal surface. Using this energy, electrons leaves the metal surface and gain kinetic energy. This is called the photoelectric effect.

Conclusion:

Electrons gain kinetic energy from the energy of photon. Energy of photon strictly depends on its frequency. So energy of emitted electron is proportional to frequency of incident light.is Thus, option (b) is correct.

Intensity of light is a measure of number of photons incident on a unit area. Increase in intensity means the increase in number of incident photons only. Intensity cannot increase the kinetic energy of electron emitted from the metal surface. Thus, option (a) is incorrect.

Speed of light in a medium is a constant. Energy of emitted electron from metal surface has no any relation with speed of incident radiation. Thus, option (c) is incorrect.

The kinetic energy of emitted electrons can be calculated using Einstein’s photoelectric equation. Thus, option (d) is incorrect.

Answer 7

Chapter 9, Problem 1MC

To determine

The correct statement about the energy of emitted electrons when light incident on a metal surface.

Answer 8

Expert Solution & Answer

Answer to Problem 1MC

Option (b) vary with the frequency of light.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Explanation of Solution

Given Info:

When a photon of sufficient energy incident on a metal surface, its energy is transferred into the electrons on the metal surface. Using this energy, electrons leaves the metal surface and gain kinetic energy. This is called the photoelectric effect.

Conclusion:

Electrons gain kinetic energy from the energy of photon. Energy of photon strictly depends on its frequency. So energy of emitted electron is proportional to frequency of incident light.is Thus, option (b) is correct.

Intensity of light is a measure of number of photons incident on a unit area. Increase in intensity means the increase in number of incident photons only. Intensity cannot increase the kinetic energy of electron emitted from the metal surface. Thus, option (a) is incorrect.

Speed of light in a medium is a constant. Energy of emitted electron from metal surface has no any relation with speed of incident radiation. Thus, option (c) is incorrect.

The kinetic energy of emitted electrons can be calculated using Einstein’s photoelectric equation. Thus, option (d) is incorrect.