Monthly Student Online Competition

Dawn Of Modern Physics MDCAT MCQs with Answers

Dawn Of Modern Physics MDCAT MCQs

Welcome to the Dawn Of Modern Physics MDCAT MCQs with Answers. In this post, we have shared Dawn Of Modern Physics Multiple Choice Questions and Answers for PMC MDCAT 2024. Each question in MDCAT Physics offers a chance to enhance your knowledge regarding Dawn Of Modern Physics MCQs in this MDCAT Online Test.

Dawn Of Modern Physics MDCAT MCQs Test Preparations

Who is considered the father of modern physics?
a) Isaac Newton
b) Albert Einstein
c) Niels Bohr
d) Max Planck

Answer
b) Albert Einstein

Which theory did Albert Einstein introduce in 1905 that revolutionized physics?
a) Quantum Mechanics
b) General Relativity
c) Special Relativity
d) Classical Mechanics

Answer
c) Special Relativity

What is the central concept of Max Planck’s quantum theory?
a) Light as a wave
b) Energy quantization
c) Relativity of time
d) Electron orbits

Answer
b) Energy quantization

Which experiment provided evidence for the particle-like nature of light?
a) Young’s double-slit experiment
b) Rutherford gold foil experiment
c) Millikan oil drop experiment
d) Photoelectric effect experiment

Answer
d) Photoelectric effect experiment

What is the name of the principle that states it is impossible to simultaneously know the exact position and momentum of a particle?
a) Heisenberg Uncertainty Principle
b) Pauli Exclusion Principle
c) Planck’s Principle
d) Schrödinger’s Equation

Answer
a) Heisenberg Uncertainty Principle

Who proposed the Bohr model of the atom?
a) Werner Heisenberg
b) Niels Bohr
c) Erwin Schrödinger
d) Louis de Broglie

Answer
b) Niels Bohr

What was the main focus of the Rutherford gold foil experiment?
a) The wave nature of light
b) Electron orbits
c) Atomic nucleus structure
d) Photoelectric effect

Answer
c) Atomic nucleus structure

Which physicist is known for developing the wave equation fundamental to quantum mechanics?
a) Albert Einstein
b) Niels Bohr
c) Erwin Schrödinger
d) Max Planck

Answer
c) Erwin Schrödinger

Which concept did Louis de Broglie introduce that suggests particles have wave-like properties?
a) Wave-particle duality
b) Quantum entanglement
c) Relativity
d) Uncertainty principle

Answer
a) Wave-particle duality

What is the significance of the photoelectric effect in quantum physics?
a) It demonstrated the particle nature of light
b) It showed light’s wave nature
c) It proved the existence of the atomic nucleus
d) It explained atomic spectra

Answer
a) It demonstrated the particle nature of light

Which fundamental principle did Paul Dirac contribute to quantum mechanics?
a) Quantum field theory
b) Special relativity
c) Uncertainty principle
d) Quantum entanglement

Answer
a) Quantum field theory

Who formulated the exclusion principle stating that no two electrons can occupy the same quantum state simultaneously?
a) Werner Heisenberg
b) Albert Einstein
c) Wolfgang Pauli
d) Niels Bohr

Answer
c) Wolfgang Pauli

Which phenomenon did the Compton scattering experiment help to explain?
a) Light’s wave nature
b) Electron diffraction
c) Photons and their energy-momentum relationship
d) Atomic emission spectra

Answer
c) Photons and their energy-momentum relationship

What was the main contribution of the Millikan oil drop experiment?
a) Determining the charge of the electron
b) Proving the wave nature of light
c) Developing quantum mechanics
d) Observing electron orbits

Answer
a) Determining the charge of the electron

Who first proposed the idea of quantized energy levels in atoms?
a) Albert Einstein
b) Max Planck
c) Niels Bohr
d) Erwin Schrödinger

Answer
c) Niels Bohr

What is the main difference between classical and quantum mechanics?
a) Quantum mechanics includes probabilistic outcomes
b) Classical mechanics includes wave-particle duality
c) Quantum mechanics does not use mathematics
d) Classical mechanics does not involve energy quantization

Answer
a) Quantum mechanics includes probabilistic outcomes

What did the Stern-Gerlach experiment demonstrate?
a) Wave-particle duality
b) Electron charge
c) Quantum superposition
d) Quantized angular momentum

Answer
d) Quantized angular momentum

Who developed the concept of wavefunctions to describe particles in quantum mechanics?
a) Albert Einstein
b) Niels Bohr
c) Erwin Schrödinger
d) Max Planck

Answer
c) Erwin Schrödinger

Which physicist introduced the concept of quantized angular momentum?
a) Louis de Broglie
b) Max Planck
c) Niels Bohr
d) Paul Dirac

Answer
c) Niels Bohr

What does the term “quantum entanglement” refer to?
a) Particles being in superposition
b) Particles being connected such that the state of one affects the state of another
c) Particles’ wave functions collapsing
d) Particles’ energy levels being discrete

Answer
b) Particles being connected such that the state of one affects the state of another

Which theory explains the gravitational interaction between massive bodies in modern physics?
a) Special Relativity
b) Quantum Mechanics
c) General Relativity
d) Quantum Field Theory

Answer
c) General Relativity

Who was awarded the Nobel Prize for his explanation of the photoelectric effect?
a) Niels Bohr
b) Albert Einstein
c) Max Planck
d) Werner Heisenberg

Answer
b) Albert Einstein

What did Planck’s constant represent in quantum theory?
a) The energy of a photon
b) The wavelength of light
c) The quantization of energy levels
d) The charge of an electron

Answer
c) The quantization of energy levels

In which experiment did Niels Bohr provide his model of the atom?
a) Rutherford gold foil experiment
b) Young’s double-slit experiment
c) Millikan oil drop experiment
d) Photoelectric effect experiment

Answer
a) Rutherford gold foil experiment

What does the Heisenberg Uncertainty Principle fundamentally state about particles?
a) They can exist in multiple states simultaneously
b) Their properties cannot be precisely determined at the same time
c) Their energy levels are continuous
d) They do not have a well-defined position

Answer
b) Their properties cannot be precisely determined at the same time

What is the significance of the E=mc² equation introduced by Einstein?
a) It describes the relationship between energy and mass
b) It defines the speed of light
c) It explains wave-particle duality
d) It calculates atomic energy levels

Answer
a) It describes the relationship between energy and mass

What is the purpose of the Schrödinger equation in quantum mechanics?
a) To determine the position of particles
b) To describe how the quantum state of a system changes over time
c) To measure particle charge
d) To calculate the mass of particles

Answer
b) To describe how the quantum state of a system changes over time

Which concept did Louis de Broglie introduce in his work?
a) Energy quantization
b) Wave-particle duality
c) Quantum superposition
d) Uncertainty principle

Answer
b) Wave-particle duality

What did the Michelson-Morley experiment aim to detect?
a) The presence of the ether
b) The quantization of light
c) The speed of light in a vacuum
d) The charge of an electron

Answer
a) The presence of the ether

Which physicist is known for the concept of quantum tunneling?
a) Max Planck
b) Albert Einstein
c) Richard Feynman
d) Niels Bohr

Answer
c) Richard Feynman

What is the primary focus of quantum field theory?
a) The interaction between quantum particles and fields
b) The structure of atomic nuclei
c) The behavior of classical particles
d) The unification of gravity with quantum mechanics

Answer
a) The interaction between quantum particles and fields

Which physicist is known for the development of quantum electrodynamics (QED)?
a) Paul Dirac
b) Richard Feynman
c) Niels Bohr
d) Werner Heisenberg

Answer
b) Richard Feynman

The concept of “quantum superposition” is best illustrated by which experiment?
a) Stern-Gerlach experiment
b) Double-slit experiment
c) Rutherford gold foil experiment
d) Millikan oil drop experiment

Answer
b) Double-slit experiment

Which scientific principle asserts that energy is quantized into discrete packets called quanta?
a) Planck’s principle
b) Relativity principle
c) Uncertainty principle
d) Pauli exclusion principle

Answer
a) Planck’s principle

Which aspect of atomic theory did Bohr’s model explain?
a) Atomic spectra
b) Quantum entanglement
c) Photon emission
d) Electron diffraction

Answer
a) Atomic spectra

Who was awarded the Nobel Prize for the discovery of the electron?
a) J.J. Thomson
b) Ernest Rutherford
c) Albert Einstein
d) Niels Bohr

Answer
a) J.J. Thomson

Which of the following concepts is fundamental to the theory of general relativity?
a) Energy quantization
b) Curvature of spacetime
c) Wave-particle duality
d) Electron orbitals

Answer
b) Curvature of spacetime

In quantum mechanics, what does a wavefunction describe?
a) The exact position of a particle
b) The probability distribution of a particle’s properties
c) The energy levels of an atom
d) The speed of light

Answer
b) The probability distribution of a particle’s properties

Which of the following is a major development in quantum mechanics by Max Planck?
a) Quantum entanglement
b) Planck’s constant
c) Wave-particle duality
d) Theory of relativity

Answer
b) Planck’s constant

What does the term “quantum leap” refer to in quantum physics?
a) A sudden transition between energy levels of an atom
b) A new particle discovery
c) A theoretical physics breakthrough
d) The unification of quantum mechanics and relativity

Answer
a) A sudden transition between energy levels of an atom

If you are interested to enhance your knowledge regarding Physics, Chemistry, Computer, and Biology please click on the link of each category, you will be redirected to dedicated website for each category.

Was this article helpful?
YesNo
See Also  Transformers MDCAT MCQs with Answers
Facebook
Twitter
LinkedIn
WhatsApp
Pinterest
Telegram
Picture of YFP

YFP

YFP empower the youth with the ability to nurture their communication and leadership skills at a common national platform resulting in greater self-confidence and personal growth.

Leave a Reply

Your email address will not be published. Required fields are marked *