Modern Physics 2

Modern Physics 2

12th Grade

10 Qs

quiz-placeholder

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Modern Physics 2

Modern Physics 2

Assessment

Quiz

Physics

12th Grade

Practice Problem

Medium

NGSS
HS-PS4-3, HS-PS4-4, HS-PS4-1

+1

Standards-aligned

Created by

Charlotte Wiggins

Used 53+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The photoelectric effect only occurs if the light shining on the metal is:

coherent.
above a minimum intensity.
above a minimum frequency.
above a minimum wavelength.

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The graph shows maximum kinetic energy of emitted electrons against frequency of incident light for a number of different metals.

Plank's constant is determined by:

the x-intercept.

the y-intercept.

the slope

the area under the graph.

Tags

NGSS.HS-PS4-3

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

The graph shows maximum kinetic energy of emitted electrons against frequency of incident light for a number of different metals.
The threshold frequency is determined by:

the x-intercept.
the y-intercept.
the gradient.
the area under the graph.

Tags

NGSS.HS-PS4-3

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The photoelectric effect is when:

Electrons collide inside a metal to release photons.
One incident metal electron releases one photon.
One incident photon releases one electron from a metal.
Photons are absorbed in to metal ions releasing electrons.

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-5

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What must the minimum energy of photons falling ona copper plate be in order to observe the photoelectriceffect? (work function for copper 4.7 eV)

2.35 eV
1.175 eV
4.7 eV
9.4 eV

Tags

NGSS.HS-PS4-3

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Does high-frequency or low frequency light cause the ejection of a greater number of electrons from a metal surface?

only high frequency
only low frequency
both of them
doesn't depend to frequency

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Do the photons of violet light or the photons of red light, falling on a metal surface with the same intensity,cause emission of more electrons?

 red light
violet light
same 

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

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