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Wave-Particle Theory Practice Worksheet
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True False Questions
Indicate True or False for the following Statements.
1. Einstein based his wave-particle theory on experimental evidence. ( True/False )
2. Einstein’s wave-particle theory of electromagnetic radiation states that electromagnetic energy is released in
particles that behave like waves. ( True/False )
3. Before Einstein, all scientists thought that electromagnetic energy consists of waves. ( True/False )
Short Answer Questions
Fill in the answer blanks with correct answer.
4. The electromagnetic waves consist of vibrating electric and _______ fields.
Answer:
5. The amount of energy in a photon corresponds to the _____ of the electromagnetic wave.
Answer:
6. A “packet” of light energy is called a(n) _____.
Answer:
7. The form of energy commonly called light is transferred by _____ waves.
Answer:
8. Which experiment showed that tiny particles of light produce patterns of interference just as waves do?
Answer:
Fill in the Blanks Questions
Fill in the answer blanks with correct answer.
9. A __________ is a tiny packet of energy released when an electron returns to a lower energy level.
Answer:
Multiple Choice Questions
For each question, four alternative choices are given, of which only one is correct. You have to select the correct
alternative and mark it in the appropriate option.
10. The double-slit experiments showed that light
a.
b.
c.
d.
consists of particles.
behaves like a wave.
requires a medium.
two of the above
1
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Answer Keys
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
2
FALSE
TRUE
FALSE
magnetic
frequency
photon
electromagnetic
Double-slit , Double slit
photon
two of the above