Electrons and Light

Tags

NGSS.HS-PS4-1

Which of the following statements is true about the frequency of light?

• Frequency is directly proportional to wavelength.

• Frequency is inversely proportional to wavelength.

• Frequency is equal to the speed of light.

• Frequency is independent of wavelength.

Tags

NGSS.HS-PS4-1

Which electron transition releases a photon with the greatest energy?

• n = 6 to n = 3

• n = 5 to n = 3

• n = 4 to n = 3

• n = 7 to n = 3

Tags

NGSS.HS-PS4-1

Which of these has the shortest wavelength?

• infrared

• yellow light

• microwaves

• blue light

Tags

NGSS.HS-PS4-1

The energy of a photon is directly proportional to its _____ and inversely proportional to its ______.

• intensity - speed

• wavelength - frequency

• frequency - wavelength

• intensity - wavelength

Tags

NGSS.HS-PS4-1

When atoms _____________ energy, their electrons move to higher energy levels. These electrons _____________ energy by emitting light when they return to lower energy levels.

• lose, absorb

• absorb, lose

• lose, lose

• absorb, absorb

Tags

NGSS.HS-PS4-3

Which light has the greatest energy per photon?

• Red

• Green

• Blue

• Ultraviolet

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

NGSS.HS-PS4-4

Which light has the greatest frequency?

• Red

• Green

• Blue

• Ultraviolet

Tags

NGSS.HS-PS4-1

Of the choices here, which electromagnetic radiation has the greatest energy per photon?

• Radio Waves

• Microwaves

• Red Light

• Ultraviolet Light

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

NGSS.HS-PS4-4

Electrons are in two states: The ground state and the ______ state

• Excited

• Photon-inducing

• electric

• None of the Above