Energy of a Photon

Eventually these discreet packets got called ____ because of Einstein's work.

• particles

• blackbodies

• photons

• quanta

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NGSS.HS-PS4-3

NGSS.HS-PS4-5

What is the equation for the energy of the photon for particle theory?

• energy of photon = work function = maximum kinetic energy

• energy of photon * work function = maximum kinetic energy

• energy of photon = work function * maximum kinetic energy

• energy of photon = work function / maximum kinetic energy

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NGSS.HS-PS4-3

The minimum amount of energy needed to cause an electron to be ejected is called the _____.

• light function

• work function

• energy function

• photo function

If a photon hits an atom, the electron will ___________ the energy. It is promoted from a _____ energy level to a ______ energy level.

• absorb; lower; higher

• emit; lower; higher

• absorb; higher; lower

• emit; higher; lower

Tags

NGSS.HS-PS4-3

Which of the following statements is false?

• The energy of a photon is directly related to its wavelength

• A line spectrum is produced when light is emitted from an excited atom

• The energy of a photon is directly related to its frequency

• Light is composed of photons with specific amounts of energy

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

Soon after the electron absorbs energy, this energy is released in a form of light or photon. True or False?

• True

• False

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NGSS.HS-PS4-3

When energy is applied to atoms, the electrons

• move to a higher state

• move to a lower state

• don't move

• instantly release photons of light

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NGSS.HS-PS1-2

What is the formula for calculating the energy of a photon?

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NGSS.HS-PS4-3

Which of the following factors does the energy of a photon depend on?

• Wavelength

• Frequency

• Amplitude

• Speed

Tags

NGSS.HS-PS4-1

If the frequency of a photon is doubled, what happens to its energy?

• It remains the same

• It is halved

• It is doubled

• It is quadrupled

Tags

NGSS.HS-PS4-1