7.3.1) Black Body Radiation

As the frequency of an electromagnetic wave increases, the amount of energy in that wave...

• increases.
• decreases.
• stays the same.

Tags

NGSS.HS-PS4-1

The wave-particle duality of light describes light as...

• a wave only
• a particle only
• both a wave and a particle
• neither a wave nor a particle

Tags

NGSS.HS-PS4-3

The equation that shows the relationship between the energy of light and frequency is: 

• c= λ⋅f
• E=h⋅f

Tags

NGSS.HS-PS4-3

Calculate the energy of a gamma ray photon whose frequency is 5.02 x 10²⁰ Hz?

• 4.73 x 10⁷² eV

• 2.07 x 10 6 eV

• 3.33 x 10^-13 eV

• 1.21 x 10 ³⁵ eV

Tags

NGSS.HS-PS4-1

What is the energy of light whose wavelength is 4.06 x 10^-11 m?

• 2.69 x 10^-44 eV

• 4.89 x 10^-15 eV

• 3.06 x 10 ⁴ eV

• 5.04 x 10^-17 eV

Tags

NGSS.HS-PS4-1

A ____ is a discrete, quantized bundle of energy

• Photoelectric effect

• Photon

• Quantized

• Proton

Tags

NGSS.HS-PS4-3

1 eV is equal to

• 1.6 × 10^-19 J
• 2.0 × 10^-20 J
• 3 J
• 4 J

What is meant by the idea of "Quanta"?

• Charged particles can carry only particular amounts of energy depending on their frequency

• The energy gaps between electron orbits in atoms can only have specific values

• Photons of electromagnetic radiation can only have particular amplitudes

• Photons of electromagnetic radiation carry specific amounts of energy dependent on their frequency

Tags

NGSS.HS-PS4-3

Identify the correct statement.

• The electromagnetic radiation emitted by a hot body depends on its temperature and what it is made of

• The electromagnetic radiation emitted by a hot body depends on its size and what it is made of

• The electromagnetic radiation emitted by a hot body depends on its colour and what it is made of

• The electromagnetic radiation emitted by a hot body depends only on its temperature

Which choice best describes the source of the energy emitted by a hot object?

• The oscillation of its atoms

• The oscillation of the nuclei of its atoms

• Electrons moving from high energy level orbits to lower energy level orbits

• Electrons moving from low energy level orbits to higher energy level orbits

Tags

NGSS.HS-PS3-2