Electromagnetic Radiation Online Practice
Questions and Answers| Latest Update
Why do scientists use both the wave and particle models of light? Different observations
are better explained with reasoning from one model or the other.
The double-slit experiment, which shows interference patterns in electromagnetic radiation,
supports which theory? Electromagnetic radiation is composed of waves.
A scientist is conducting her own version of the double-slit test. Assuming the test is set up
properly, which observation could she make about the bands of light and dark fringes on the
screen? A series of light and dark bands appear on the screen.
Which model(s) of electromagnetic radiation is most suitable to describe the photoelectric
effect? particle model only
Based on the photoelectric effect, what happens to a material if electromagnetic radiation of a
high enough frequency is shone upon it? It loses electrons.
Electromagnetic radiation has many uses. What limitation is there for its use? transfer of
matter
Electromagnetic radiation is sometimes modeled as a wave and sometimes as a particle. How
do scientists decide which model to use? Scientists use the model that best explains the
existing data and predicts new behavior.
A beam of electromagnetic radiation has a frequency of 4.37×10^12 Hz. What is the wavelength
of the radiation? 6.86×10^−5 m
Questions and Answers| Latest Update
Why do scientists use both the wave and particle models of light? Different observations
are better explained with reasoning from one model or the other.
The double-slit experiment, which shows interference patterns in electromagnetic radiation,
supports which theory? Electromagnetic radiation is composed of waves.
A scientist is conducting her own version of the double-slit test. Assuming the test is set up
properly, which observation could she make about the bands of light and dark fringes on the
screen? A series of light and dark bands appear on the screen.
Which model(s) of electromagnetic radiation is most suitable to describe the photoelectric
effect? particle model only
Based on the photoelectric effect, what happens to a material if electromagnetic radiation of a
high enough frequency is shone upon it? It loses electrons.
Electromagnetic radiation has many uses. What limitation is there for its use? transfer of
matter
Electromagnetic radiation is sometimes modeled as a wave and sometimes as a particle. How
do scientists decide which model to use? Scientists use the model that best explains the
existing data and predicts new behavior.
A beam of electromagnetic radiation has a frequency of 4.37×10^12 Hz. What is the wavelength
of the radiation? 6.86×10^−5 m
