Physics

Compton Effect MCQs with Answer

What does the Compton Effect demonstrate?
a) The particle nature of electrons
b) The wave-particle duality of light
c) The energy loss of an electron in a magnetic field
d) The interaction between electrons and photons

Who first demonstrated the Compton Effect?
a) Albert Einstein
b) Louis de Broglie
c) Arthur H. Compton
d) Niels Bohr

The Compton Effect involves the scattering of which particle?
a) Electrons
b) Neutrons
c) Photons
d) Protons

In the Compton Effect, what happens to the wavelength of a photon after it scatters?
a) It remains the same
b) It decreases
c) It increases
d) It becomes zero

What is the main consequence of the Compton Effect on the energy of a photon?
a) It increases
b) It remains the same
c) It decreases
d) It fluctuates

The Compton Effect provides evidence for the:
a) Particle nature of photons
b) Wave nature of electrons
c) Quantum behavior of light
d) Behavior of photons in a vacuum

Which of the following is a key feature of the Compton Effect?
a) The photon is absorbed by the electron
b) The photon changes direction but maintains its energy
c) The photon loses energy and changes direction
d) The photon is deflected by a magnetic field

In the Compton Effect, the scattered photon has:
a) A lower frequency
b) A higher frequency
c) The same frequency
d) A frequency dependent on the angle of scattering

The Compton shift is defined as the change in:
a) Frequency of the photon
b) Energy of the photon
c) Wavelength of the photon
d) Velocity of the electron

What is the Compton wavelength formula?
a) λ = h / p
b) λ = c / f
c) λ = m * v
d) λ = 2 * h / p

The Compton Effect can be observed when photons collide with:
a) Electrons in motion
b) Stationary electrons
c) Protons in motion
d) Neutrons

What is the relationship between the energy and frequency of a photon, as seen in the Compton Effect?
a) Directly proportional
b) Inversely proportional
c) Independent
d) Directly proportional, except at very high energies

In the Compton Effect, which variable changes as a function of the scattering angle?
a) Photon energy
b) Electron energy
c) Photon wavelength
d) Electron speed

What is the significance of the Compton Effect for quantum mechanics?
a) It shows that light can be absorbed by matter
b) It supports the theory of wave-particle duality
c) It disproves the wave theory of light
d) It explains electron diffraction patterns

Which of the following best describes the energy transfer in the Compton Effect?
a) The photon transfers all of its energy to the electron
b) The photon transfers only part of its energy to the electron
c) No energy is transferred between the photon and the electron
d) The electron loses energy to the photon

What does the Compton Effect confirm about the nature of light?
a) It behaves only as a wave
b) It behaves only as a particle
c) It exhibits both wave-like and particle-like properties
d) It behaves as neither a wave nor a particle

Which of the following is NOT a result of the Compton Effect?
a) Energy loss of the photon
b) Increase in the photon’s wavelength
c) Change in the direction of the photon
d) A decrease in the energy of the electron

The Compton Effect helped to confirm the concept of:
a) Photon energy quantization
b) The uncertainty principle
c) Matter waves
d) Wave-particle duality

What factor affects the Compton shift in the experiment?
a) The angle of scattering
b) The mass of the photon
c) The intensity of the light
d) The velocity of the electron

Which of the following conditions must be met to observe the Compton Effect?
a) The photons must have very low energy
b) The photons must be of high frequency
c) The photons must scatter off stationary electrons
d) The photons must travel at the speed of light

The change in wavelength in the Compton Effect is greatest when the scattering angle is:
a) 90 degrees
b) 180 degrees
c) 0 degrees
d) 45 degrees

Which type of radiation is primarily involved in the Compton Effect?
a) X-rays
b) Gamma rays
c) Visible light
d) Radio waves

In the Compton Effect, after the photon collides with the electron, the energy transfer results in:
a) A faster-moving photon
b) A photon with a higher frequency
c) A photon with a longer wavelength
d) A stationary photon

Which of the following particles is primarily responsible for the scattering in the Compton Effect?
a) Protons
b) Neutrons
c) Electrons
d) Neutrinos

The energy lost by the photon in the Compton Effect is transferred to:
a) The electron
b) The photon
c) The surrounding medium
d) The nucleus

Which of the following equations describes the Compton Effect?
a) E = mc²
b) λ’ – λ = h / (m_e * c) * (1 – cos θ)
c) E = hf
d) λ = h / p

What is the significance of the Compton Effect for the field of physics?
a) It disproved quantum mechanics
b) It led to the development of nuclear energy
c) It provided evidence for the particle nature of light
d) It confirmed the wave nature of matter

Which of the following best describes the Compton shift?
a) The photon’s frequency increases
b) The electron’s energy decreases
c) The photon’s wavelength increases after scattering
d) The electron gains energy

The Compton Effect is particularly useful for studying:
a) Electron behavior in magnetic fields
b) The properties of stationary electrons
c) The energy distribution in nuclear reactions
d) The wave nature of electrons

What conclusion can be drawn about the nature of photons based on the Compton Effect?
a) They have no mass
b) They behave as particles with energy
c) They only act as waves
d) They cannot interact with matter

The Compton Effect is an important piece of evidence for:
a) The existence of electrons
b) The theory of relativity
c) Wave-particle duality
d) The structure of the atom

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