
Understanding Light: Wave-Particle Duality

Interactive Video
•
Physics
•
9th - 10th Grade
•
Hard
Nancy Jackson
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the main limitation of explaining light solely as a wave?
It did not account for light's speed.
It ignored the color spectrum.
It could not explain the photoelectric effect.
It was not supported by Maxwell's equations.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did Max Planck propose about the nature of light?
Light is unaffected by gravity.
Light travels faster than sound.
Light consists of continuous waves.
Light is made up of quantized packets of energy.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How did Planck describe the relationship between energy and frequency?
Energy is inversely proportional to frequency.
Energy is directly proportional to frequency.
Energy is unrelated to frequency.
Energy is proportional to the square of frequency.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does it mean for energy to be quantized?
Energy is unpredictable.
Energy is distributed in discrete amounts.
Energy is always increasing.
Energy is continuous and smooth.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which analogy was used to explain quantization?
A ladder with rungs
A flowing river
A continuous line
A spinning wheel
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is Planck's constant used for?
To measure the speed of light
To find the mass of a photon
To calculate the energy of a photon
To determine the color of light
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did Einstein demonstrate about photons in the photoelectric effect?
Photons have a constant mass.
Photons can behave like particles.
Photons are unaffected by frequency.
Photons are always at rest.
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