Physics MCQs (Part-2)

In the nuclear fusion process, energy is produced because of:

What is the Heisenberg Uncertainty Principle primarily concerned with?

What is the crystal structure of Silicon?

Which is not a type of radioactive decay?

What is the unit of electric charge?

What is the quantum number associated with the shape of an atomic orbital?

The drift velocity of electrons in a conductor depends on:

What does the 'many-worlds interpretation' of quantum mechanics suggest?

What process powers the sun?

Which of the following materials exhibits superconductivity?

Which particles are considered fermions?

The splitting of a heavy nucleus into two lighter nuclei is known as:

A magnetic field exerts a force on moving

The resistance of an ideal conductor at absolute zero temperature is

Which of the following factors does NOT affect the capacitance of a parallel-plate capacitor?

What is the typical feature of the band structure in insulators?

What is a 'Bell test'?

Which model describes the nucleus as a collection of protons and neutrons bound together by the nuclear force?

Who introduced the concept of energy quantization?

X-ray diffraction is used in solid state physics to:

A material with no resistance at very low temperatures is known as

Lenz's Law is a consequence of the law of conservation of

In the context of quantum field theory, what do virtual particles mediate?

Optoelectronic devices are those that:

The mobility of charge carriers in a semiconductor is affected by:

Which concept explains the dual behavior of light and matter?

Which of the following is not true for superconductors?

What is the main disadvantage of nuclear energy?

What particle is exchanged in weak nuclear interactions?

Two parallel conductors carrying current in the same direction will

What is the 'Planck length'?

What describes the change in an atom's nucleus by emitting or absorbing particles?

In a p-n junction, the 'depletion region' is characterized by:

What property of a coil determines its inductance?

An alternating current (AC) is characterized by

Doping in semiconductors is done to:

Coulomb's law quantifies

What is 'quantum decoherence'?

Which radiation type is electrically neutral?

Which particle mediates the strong nuclear force?

What does the term 'half-life' refer to?

Intrinsic semiconductors are those:

What is the typical range of the strong nuclear force?

What phenomenon explains the emission of electrons from certain metals when light is shone upon them?

What is the significance of the 'fine structure constant' in quantum electrodynamics?

Electric potential is measured in

Which of the following materials is NOT a good conductor of electricity?

What does the Pauli Exclusion Principle state?

Which theory suggests that every point in space and time is part of a vibrating 'string'?

Which of the following is NOT a method of producing electricity?

The process by which a nucleus emits one or more neutrons is called:

What type of particles are quarks?

What is the primary outcome of pair production?

The work function is the energy required to:

The work done to move a unit charge from one point to another along an electric circuit is measured in

What is 'spontaneous symmetry breaking' in the context of quantum field theory?

What does Kirchhoff's voltage law state?

Who was awarded the Nobel Prize in Physics for their theoretical discoveries of the nuclear shell structure?

What principle underlies the operation of lasers?

The phenomenon of electrons moving from valence to conduction band under thermal excitation in semiconductors is called:

What term describes the number of protons in the nucleus of an atom?

Who discovered the neutron?

Wiedemann-Franz law relates:

What experiment demonstrated the wave nature of electrons?

The Hall effect is used to measure:

Which is not a characteristic of alpha decay?

Photonic crystals are materials designed to:

The resistivity of semiconductors:

The superconducting state breaks down when the material:

An electromagnet is made from a coil of wire surrounding a(n)

Which type of current is used in most household appliances?

What is the principle behind carbon dating?

A voltmeter is connected in

Magnetoresistance is the property of a material to:

What does Gauss's law primarily deal with?

A transformer is used to

Faraday's law is associated with which of the following phenomena?

The left-hand rule is used to determine

Which of the following is a characteristic feature of quantum wells?

What is the fundamental principle of quantum mechanics that implies that properties like position and momentum cannot have precise values simultaneously?

Ferromagnetism arises due to:

What is the typical cause of resistance in a conductor?

What describes the 'pilot-wave theory' or 'Bohmian mechanics'?

Which principle is primarily used in the operation of a semiconductor laser?

What is the main reason for the stability of a nucleus?

Ohm's Law states that the current through a conductor is directly proportional to

Who discovered the electron?

Which particle is considered a gauge boson?

What does Planck's constant primarily quantify?

Which type of crystal defect is associated with the addition or removal of a full plane of atoms?

What does the Schrödinger equation primarily describe?

The energy gap in semiconductors is typically of the order of:

The principle of superposition applies to

The stability of an isotope is primarily determined by:

What are 'virtual particles'?

A 'quantum wire' is a semiconductor nanostructure with:

What is the minimum energy required to remove a nucleon from a nucleus called?

Which of the following is not a fundamental force in the universe?

What is the main principle behind the operation of an electric motor?

Which of the following is not a characteristic of metals?

What is 'quantum entanglement'?

What is a 'quantum leap' or 'quantum jump'?

Direct bandgap semiconductors are preferred in the manufacture of:

The concept of 'holes' in a semiconductor refers to:

The rate of charge flow in a conductor is known as

What is the phenomenon of electrical conduction in metals primarily due to?

What is the main idea behind the Copenhagen interpretation of quantum mechanics?

Which phenomenon is best explained by the wave-particle duality concept?

Who is known for formulating the classical theory of electromagnetic radiation?

Which is considered a safe limit for radiation exposure for general public?

Which of the following is a property of conductors?

Piezoelectric materials generate electric charge:

What type of decay process does not change the mass number of a nucleus?

According to Einstein's theory of relativity, which of the following is true about the speed of light?

The phenomenon where an electric field induces a mechanical deformation in certain crystals is known as:

The Seebeck effect is related to:

The SI unit of conductance is

What is the Casimir effect?

Which operation is fundamental in quantum computing?

In an electric circuit, a diode primarily acts as a

What is 'quantum tunneling'?

What is the SI unit of magnetic flux?

When a wire moves perpendicular to a magnetic field, what is induced in the wire?

What unit is used to measure nuclear binding energy?

According to the Bloch theorem, electrons in a periodic potential behave as if they have:

An example of a ferromagnetic material is:

What is the primary force that holds the nucleus together?

Capacitance is measured in

Which particle is a hadron?

What mechanism is theorized to cause the spontaneous splitting of heavy atomic nuclei?

Who formulated the liquid drop model of the nucleus?

Quantum dots are semiconductor particles that are characterized by:

The term 'nucleon' refers to:

Who is credited with the discovery of radioactivity?

What does 'quantum chromodynamics' (QCD) study?

Which is not a basic property of elementary particles?

Who proposed the uncertainty principle?

Which is not a method for separating isotopes?

The technique of 'zone refining' is used to:

What is not a way to achieve a controlled nuclear chain reaction?

Which law states that the induced electromotive force in any closed circuit is equal to the negative of the time rate of change of the magnetic flux enclosed by the circuit?

Which phenomenon directly demonstrates the particle nature of light?

What does 'quantum superposition' imply?

The presence of a magnetic field around a conductor can be demonstrated using

What is the difference in mass between the reactants and products in a nuclear reaction called?

What is antimatter?

The phenomenon by which certain materials generate electric charge when compressed is called

Which process is primarily responsible for the synthesis of elements heavier than iron in the universe?

Which theory is used to describe the behavior of particles at nuclear and subnuclear levels?

In a semiconductor, the valence band is:

Which is not a feature of nuclear forces?

Which of the following is NOT true about magnetic fields?

What type of bonding is primarily found in semiconductors?

Magnetic lines of force