12.2.1 Understanding wave-particle duality

Cards (31)

Match the property with its corresponding behavior:
Wave-like ↔️ Diffraction and interference
Particle-like ↔️ Discrete energy packets
Wave-particle duality describes that particles can exhibit both wave-like and particle-like
The Davisson-Germer experiment showed that electrons diffract when scattered off a crystal
In the photoelectric effect, light behaves as discrete energy packets called photons
Classical physics describes light as an electromagnetic wave
The photoelectric effect provides evidence for the particle-like nature of light
In Compton scattering, X-rays behave as photons with momentum
In the De Broglie hypothesis, the wavelength of a particle is inversely proportional to its momentum
What classical atomic model is challenged by the wave-particle duality of electrons?
Bohr's model
Order the applications of wave-particle duality in modern technology:
1️⃣ Quantum tunneling
2️⃣ Quantum computing
3️⃣ Electron microscopy
What is wave-particle duality observed in elementary particles such as?
Electrons and photons
Classical physics views light as an electromagnetic wave and matter as discrete particles.
True
Match the property with its corresponding behavior:
Wave-like ↔️ Diffraction and interference
Particle-like ↔️ Discrete energy packets
The Davisson-Germer experiment confirmed that electrons behave as waves. 
True
What happens to the wavelength of X-rays in Compton scattering?
Increases
Which experiment confirmed the wave-like behavior of electrons by scattering them off a crystal?
Davisson-Germer experiment
What is the interpretation of the photoelectric effect in terms of light's behavior?
Light behaves as photons
Waves can exhibit particle-like properties, supporting the concept of wave-particle duality. 
True
Massive particles like electrons can exhibit wave-like behavior according to the De Broglie hypothesis. 
True
The quantum mechanical model describes electrons as wave functions in specific energy levels
In which device is quantum tunneling used?
Scanning tunneling microscope
Particles exhibit wave-like behavior through phenomena such as diffraction and interference
What properties does classical physics attribute to light?
Diffraction and interference
How does classical physics differ from the modern understanding of wave-particle duality?
Classical physics treats light as a continuous wave and matter as discrete particles
What phenomenon did the double-slit experiment with electrons reveal?
Interference patterns
The photoelectric effect demonstrates the particle-like nature of light. 
True
What type of patterns were observed in the double-slit experiment with electrons?
Interference patterns
What is the equation for the wavelength of a particle according to the De Broglie hypothesis?
$\lambda =$ $\frac{h}{p}$
Match the experimental evidence with its interpretation according to the De Broglie hypothesis:
Davisson-Germer experiment ↔️ Electrons behave as waves
Double-slit with electrons ↔️ Electrons exhibit interference
The quantum mechanical model provides a more accurate understanding of atomic structure than the Bohr's model. 
True
Electron microscopes use the wave-like properties of electrons to achieve higher resolution