CPC 4.1 Light and Quantized Energy

Multiple Select

Which of the following are types of radiation emitted by radioactive material?

• Alpha particles

• Beta particles

• Gamma rays

• Omicron particles

• Omega Rays

Multiple Choice

What did Rutherford's model propose about an atom's mass?

• It is concentrated in the electrons.

• It is evenly distributed throughout the atom.

• It is concentrated in the nucleus.

• It is concentrated in the protons.

Multiple Choice

What was one limitation of Rutherford's model?

• It explained the arrangement of electrons.

• It explained why electrons aren't pulled into the nucleus.

• It didn't explain how electrons are arranged around the nucleus.

• It explained the chemical behavior of elements.

Multiple Choice

What did scientists observe about elements in the early 1900s?

• Elements emitted sound when heated.

• Elements emitted visible light when heated in a flame.

• Elements changed color when cooled.

• Elements emitted invisible light when heated.

Multiple Choice

What type of radiation is visible light?

• Ultraviolet radiation

• Electromagnetic radiation

• Infrared radiation

• Gamma radiation

Multiple Choice

What behavior does visible light exhibit as it travels through space?

• Particle-like behavior

• Wavelike behavior

• Static behavior

• Random behavior

Multiple Choice

Visible light can be modeled as a wave of changing what?

• Temperature and pressure

• Electric and magnetic fields

• Mass and volume

• Speed and velocity

Multiple Choice

What is the wavelength (λ) in a wave?

• The shortest distance between equivalent points on a continuous wave.

• The number of waves that pass a given point per second.

• The wave's height from the origin to a crest.

• The distance from the crest to the trough.

Multiple Choice

What does the frequency (ν) of a wave represent?

• The shortest distance between equivalent points on a continuous wave.

• The number of waves that pass a given point per second.

• The wave's height from the origin to a crest.

• The distance from the crest to the trough.

Multiple Choice

The speed of light is the product of its wavelength and what other property?

• Amplitude

• Frequency

• Intensity

• Phase

Multiple Choice

What happens to the frequency when the wavelength is longer?

• Frequency increases

• Frequency decreases

• Frequency remains the same

• Frequency doubles

Multiple Choice

What does the wave model of light fail to explain about heated objects?

• Why they emit light at all temperatures

• Why they emit only certain frequencies of light at a given temperature

• Why they change color when cooled to certain temperatures

• Why they absorb all frequencies of light at at any temperature

Multiple Choice

What is emitted from metals when light of a specific frequency shines on them, according to the diagram?

• Protons

• Neutrons

• Electrons

• Photons

Multiple Choice

What is the term for the minimum amount of energy that can be gained or lost by an atom?

• Photon

• Quantum

• Electron

• Molecule

Multiple Choice

In what form can matter gain or lose energy?

• Continuously

• In large, variable amounts

• In small, specific amounts

• Randomly

Multiple Choice

What does the term "quanta" refer to in the context of energy?

• Large energy waves

• Small, specific amounts of energy

• Random energy fluctuations

• Continuous energy streams

Multiple Choice

Who showed the direct relationship between the energy of a quantum and the frequency of emitted radiation?

• Albert Einstein

• Isaac Newton

• Max Planck

• Niels Bohr

Multiple Choice

What is emitted from a metal's surface in the photoelectric effect?

• Protons

• Neutrons

• Electrons

• Photons

Multiple Choice

What must light have to cause the photoelectric effect on a metal surface?

• High intensity

• Low frequency

• A certain frequency or higher

• A certain frequency or lower

Multiple Choice

Who proposed that light has a dual nature?

• Albert Einstein

• Isaac Newton

• Niels Bohr

• James Clerk Maxwell

Multiple Choice

What properties does a beam of light have?

• Wavelike and particle-like

• Only wavelike

• Only particle-like

• Neither wavelike nor particle-like

Multiple Choice

What is a photon?

• A massless particle that carries a quantum of energy

• A particle with mass that carries light

• A wave that does not carry energy

• A particle that carries sound

Multiple Choice

What is the atomic emission spectrum of an element?

• The set of frequencies of electromagnetic waves absorbed by atoms of the element.

• The set of frequencies of electromagnetic waves emitted by atoms of the element.

• The set of frequencies of sound waves emitted by atoms of the element.

• The set of frequencies of light waves absorbed by atoms of the element.

Multiple Choice

What does the prism do in the atomic emission spectrum setup?

• Absorbs light into its components.

• Reflects light into its components.

• Separates light into its components.

• Combines light into its components.

Multiple Choice

Which term refers to a form of energy that exhibits wavelike behavior as it travels through space? 

• photoelectric effect

  
  

• frequency

  
  

• electromagnetic radiation

  
  

• electromagnetic spectrum

  
  

Multiple Choice

What happens to the frequency of an electromagnetic wave when the wavelength decreases?

• It decreases.

  
  

• It increases.

  
  

• It stays the same.

  
  

• It stops.

  
  

Multiple Choice

Which of the following is true?

• Amplitude is the wave’s height from the origin to a crest. 

  
  

• Amplitude is inversely related to frequency.

  
  

• Amplitude is inversely related to wavelength.

  
  

• Amplitude is the shortest distance between equivalent points on a continuous wave.

  
  

Multiple Choice

What is a quantum? 

• a massless particle  

  
  

• a wave’s height from origin to trough  

  
  

• the minimum amount of energy that can be gained or lost by an atom 

  
  

• a form of energy that exhibits wavelike behavior as it travels through space 

  
  

Multiple Choice

What is the term for what occurs when electrons are emitted from a metal’s surface when light at or above a certain frequency shines on the surface? 

• atomic emission spectrum 

• electromagnetic wave relationship 

• quantum concept

• photoelectric effect