What did experiments show about the timing of electron ejection in the photoelectric effect?

Electrons are ejected immediately when light is shone on a metal.

Electrons are ejected after a delay when light is shone on a metal.

Electrons are ejected only if the light is very bright.

Electrons are ejected only if the light is very dim.

What was the classical theory of light before the discovery of the photoelectric effect?

Light is a stream of particles.

Light is an electromagnetic wave.

What did experiments reveal about the relationship between light frequency and the photoelectric effect?

The kinetic energy of ejected electrons depends on light frequency.

The kinetic energy of ejected electrons depends on light intensity.

The number of ejected electrons depends on light frequency.

The number of ejected electrons depends on light wavelength.

What happens if the frequency of light is below the threshold frequency in the photoelectric effect?

No photoelectric effect occurs below the threshold frequency.

No photoelectric effect occurs below the threshold intensity.

The photoelectric effect occurs with reduced intensity.

The photoelectric effect occurs with increased intensity.

Which statement is true regarding the effect of increasing light frequency in the photoelectric effect?

Increasing frequency increases kinetic energy of electrons.

Increasing intensity increases kinetic energy of electrons.

Increasing wavelength increases kinetic energy of electrons.

Increasing amplitude increases kinetic energy of electrons.

What is a historical fact about the discovery of the photoelectric effect?

The photoelectric effect was discovered before electrons were discovered.

The photoelectric effect was discovered after electrons were discovered.

The photoelectric effect was discovered at the same time as electrons.

The photoelectric effect was discovered by the same person who discovered electrons.

What does light intensity affect in the photoelectric effect?

Light intensity affects the number of ejected electrons.

Light intensity affects the kinetic energy of ejected electrons.

Light frequency affects the number of ejected electrons.

Light wavelength affects the kinetic energy of ejected electrons.

What was one significant impact of the photoelectric effect on physics?

The photoelectric effect led to the development of quantum theory.

The photoelectric effect confirmed classical wave theory.

The photoelectric effect disproved the existence of electrons.

The photoelectric effect supported Newtonian mechanics.

What happens to the energy of ejected electrons when the frequency of light is increased?

Electrons are ejected with more energy at higher frequencies.

Electrons are ejected with more energy at higher intensities.

Electrons are ejected with more energy at lower frequencies.

Electrons are ejected with more energy at lower intensities.

What did experiments show about the timing of the photoelectric effect?

The photoelectric effect occurs after a delay when light is shone on a metal.

The photoelectric effect occurs only with high-intensity light.

How did the photoelectric effect impact the classical wave theory of light?

The photoelectric effect challenged the classical wave theory of light.

The photoelectric effect supported the classical wave theory of light.

The photoelectric effect had no impact on the classical wave theory of light.

The photoelectric effect confirmed the classical wave theory of light.

What role did the photoelectric effect play in the development of quantum theory?

The photoelectric effect was one of the experiments that led to the quantum revolution.

The photoelectric effect was unrelated to the quantum revolution.

The photoelectric effect was the only experiment that led to the quantum revolution.

The photoelectric effect disproved the quantum revolution.

Photoelectric Effect

Quiz

•

Science

•

11th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-PS4-3, HS-PS4-4

Standards-aligned

James Dubose

Used 14+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who accidentally discovered the photoelectric effect?

Heinrich Hertz

Albert Einstein

Max Planck

Niels Bohr

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

What was one surprising experimental result of the photoelectric effect?

The number of ejected electrons is independent of light intensity.

The kinetic energy of ejected electrons is independent of light frequency.

The photoelectric effect occurs only with visible light.

The kinetic energy of ejected electrons is independent of light intensity.

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which property of light affects the kinetic energy of ejected electrons in the photoelectric effect?

Intensity

Wavelength

Frequency

Amplitude

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term for the minimum frequency required to observe the photoelectric effect?

Threshold frequency

Threshold intensity

Maximum wavelength

Minimum amplitude

Tags

NGSS.HS-PS4-4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How quickly does the photoelectric effect occur when light is shone on a metal?

Delayed by seconds

Delayed by minutes

Instantaneous

Delayed by hours

Tags

NGSS.HS-PS4-3

6.

OPEN ENDED QUESTION

3 mins • 1 pt

What happens when the intensity of light is increased in the photoelectric effect?

Evaluate responses using AI:

OFF

Tags

NGSS.HS-PS4-3

7.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

What happens when the frequency of light is increased in the photoelectric effect?

The number of ejected electrons increases.

The intensity of light increases.

The wavelength of light increases.

The kinetic energy of ejected electrons increases.

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

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Photoelectric Effect

20 questions

Who accidentally discovered the photoelectric effect?

What was one surprising experimental result of the photoelectric effect?

Which property of light affects the kinetic energy of ejected electrons in the photoelectric effect?

What is the term for the minimum frequency required to observe the photoelectric effect?

How quickly does the photoelectric effect occur when light is shone on a metal?

What happens when the intensity of light is increased in the photoelectric effect?

What happens when the frequency of light is increased in the photoelectric effect?

What did experiments show about the timing of electron ejection in the photoelectric effect?

What was the classical theory of light before the discovery of the photoelectric effect?

What concept did the photoelectric effect help to establish?

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