Waves and Energy

Which wave in the diagram has the greatest wavelength?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS4-1

In which state does an electron have the least amount of energy?

• Excited state

• Ground state

• Orbital

• Bohr model

Emission spectra (bright line spectra) are created when electrons move from ___.

• higher to lower energy levels.

• lower to higher energy levels.

• s orbitals to p orbitals.

• one atom to a different atom.

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

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-PS1-1

According to the Bohr Model, electrons are only found in specific orbits around the nucleus called __________________________

• Energy Levels
• Electron Lanes
• Electron Places
• Atomic Mass

Certain blue lights have a frequencey of 6.91x10¹⁴Hz. What is the wavelength? (λ=c/v)

• 4.34x10²¹
• 4.34x10^-21
• 4.34x10^-7
• 2.07x10²³

Tags

NGSS.HS-PS4-1

What is the energy of a quantum of light with a frequency of 7.39x10¹⁴Hz.(E=Hv)

• 4.88x10¹⁹
• 4.88x10^-19
• 2.22x10²³
• 2.22x10^-23

Tags

NGSS.HS-PS4-1

What is a photon?

• When radiation burst through electric waves
• The emission of electrons from a metal caused by light striking the metal
• The rate at which a waves energy flows through a given unit of area.
• packets of electromagnetic energy

Tags

NGSS.HS-PS4-3

The blue section of the wave is measuring _________________.

• wavelength
• crest
• trough
• amplitude 

Tags

NGSS.HS-PS4-1

Select the correct order of wavelengths on the electromagnetic spectrum (short to long)

• Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma
• Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio
• Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio
• Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma

Tags

NGSS.HS-PS4-1