Question

The phenomenon that best supports the theory that matter has a wave nature is:

• A. electron momentum
• B. electron diffraction
• C. photon momentum
• D. photon diffraction

Hint:

Wave nature of matter is experimentally verified by textbfDavisson–Germer experiment, which demonstrated electron diffraction.

Answer 1

The Correct Option is B

Step 1: Recall the wave nature of matter. According to de Broglie hypothesis, every moving particle has an associated wavelength: \[ \lambda = \frac{h}{p} \] Step 2: Identify experimental evidence. The wave nature of matter is confirmed experimentally by diffraction and interference phenomena. Step 3: Analyze the options.

(A) Electron momentum — property of particles, not wave evidence
(B) Electron diffraction — direct evidence of wave nature ✔
(C) Photon momentum — photons are already waves/particles
(D) Photon diffraction — supports wave nature of light, not matter
Step 4: Final conclusion. Electron diffraction best supports the theory that matter has a wave nature. \[ \boxed{\text{(B)}} \]