Q1) Who proposed the dual nature of matter and radiation?

A) Max Planck

B) Albert Einstein

C) Niels Bohr

D) Louis de Broglie


Q2) What experiment provided evidence for the wave-particle duality of electrons?

A) Rutherford's gold foil experiment

B) Davisson-Germer experiment

C) Millikan oil drop experiment

D) Photoelectric effect experiment


Q3) Which equation describes the wave-particle duality of a particle?

A) Schrödinger equation

B) Einstein's mass-energy equivalence equation

C) Planck's radiation law

D) Heisenberg uncertainty principle


Q4) According to the wave-particle duality, particles such as electrons exhibit both particle-like and wave-like behavior. Which property is characteristic of the wave-like behavior?

A) Mass

B) Velocity

C) Momentum

D) Wavelength


Q5) Who proposed that matter particles, such as electrons, could exhibit wave-like behavior?

A) Max Planck

B) Albert Einstein

C) Werner Heisenberg

D) Louis de Broglie


Q6) In the double-slit experiment with electrons, what pattern is observed on the screen?

A) Single bright spot

B) Uniform illumination

C) Interference pattern

D) Diffraction pattern


Q7) Which phenomenon is not explained by the wave nature of matter?

A) Interference

B) Diffraction

C) Photoelectric effect

D) Polarization


Q8) What property of a particle is quantized according to the wave-particle duality?

A) Mass

B) Energy

C) Momentum

D) Charge


Q9) Which experiment demonstrated that light behaves as both a particle and a wave?

A) Young's double-slit experiment

B) Davisson-Germer experiment

C) Compton scattering experiment

D) Photoelectric effect experiment


Q10) Which equation describes the relationship between the momentum and wavelength of a particle?

A) Planck-Einstein relation

B) de Broglie wavelength equation

C) Heisenberg uncertainty principle

D) Schrödinger equation


Q11) What is the term for the smallest unit of light, possessing both wave-like and particle-like properties?

A) Photon

B) Electron

C) Proton

D) Neutron


Q12) Which phenomenon cannot be explained solely by the particle nature of light?

A) Photoelectric effect

B) Interference

C) Diffraction

D) Reflection


Q13) Which property of a particle becomes uncertain according to the Heisenberg uncertainty principle?

A) Position

B) Velocity

C) Mass

D) Charge


Q14) What does the term "quantum" refer to in the context of the wave-particle duality?

A) A discrete unit of energy

B) A continuous spectrum of colors

C) A large-scale phenomenon

D) A wave with infinite wavelength


Q15) In the photoelectric effect, which property of light determines the kinetic energy of emitted electrons?

A) Intensity

B) Frequency

C) Wavelength

D) Polarization


Q16) Which scientist proposed that energy is quantized in discrete packets called "quanta"?

A) Max Planck

B) Albert Einstein

C) Werner Heisenberg

D) Louis de Broglie


Q17) What is the term for the minimum amount of energy that can be gained or lost by an atom?

A) Photon

B) Quanta

C) Quantum

D) Quantum leap


Q18) Which phenomenon is explained by the particle nature of light?

A) Diffraction

B) Interference

C) Polarization

D) Photoelectric effect


Q19) According to the wave-particle duality, what property of a particle is analogous to the wavelength of a wave?

A) Mass

B) Velocity

C) Momentum

D) Energy


Q20) What is the term for the spreading out of waves as they pass through a narrow aperture or around obstacles?

A) Interference

B) Diffraction

C) Polarization

D) Reflection