Question:
Which phenomenon best supports the theory that matter has a wave nature?
Which phenomenon best supports the theory that matter has a wave nature?
Show Hint
Davisson--Germer experiment showed electron diffraction, confirming de Broglie’s wave nature of matter.
Updated On: Jan 3, 2026
- Electron momentum
- Electron diffraction
- Photon momentum
- Photon diffraction
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The Correct Option is B
Solution and Explanation
Step 1: Identify what proves wave nature.
Wave nature is directly confirmed when a particle shows phenomena like diffraction or interference, which are purely wave effects.
Step 2: Apply to matter particles.
Electrons are matter particles. When electrons show diffraction (as in Davisson--Germer experiment), it proves electrons behave like waves.
Step 3: Eliminate other options.
Momentum is a particle property, not proof of wave nature. Photon diffraction proves wave nature of light, not matter.
Step 4: Final conclusion.
Hence, electron diffraction best supports wave nature of matter.
Final Answer:
\[ \boxed{\text{(B) Electron diffraction}} \]
Wave nature is directly confirmed when a particle shows phenomena like diffraction or interference, which are purely wave effects.
Step 2: Apply to matter particles.
Electrons are matter particles. When electrons show diffraction (as in Davisson--Germer experiment), it proves electrons behave like waves.
Step 3: Eliminate other options.
Momentum is a particle property, not proof of wave nature. Photon diffraction proves wave nature of light, not matter.
Step 4: Final conclusion.
Hence, electron diffraction best supports wave nature of matter.
Final Answer:
\[ \boxed{\text{(B) Electron diffraction}} \]
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