MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation| Pak Mcqs

Welcome to Our MCQs (Multiple Choice Questions) Hub

Welcome to our MCQs (Multiple Choice Questions) page, your ultimate destination for comprehensive MCQ practice. Whether you're preparing for competitive exams, job interviews, or enhancing your knowledge, we offer an extensive collection of MCQs across subjects like general knowledge, current affairs, mathematics, science, and more.

Our carefully curated MCQ tests are designed to help you excel in exam preparation by improving your problem-solving skills and boosting your confidence. Start practicing now and ace your MCQ exams with ease!

The ‘Bohr Radius’ defines the distance between the electron and nucleus in which model?

A. Bohr Model of the Atom
B. Thomson Model of the Atom
C. Rutherford Model of the Atom
D. Quantum Mechanical Model of the Atom

Answer: Bohr Model of the Atom

The ‘Schwarzschild Solution’ is related to which concept?

A. Black holes
B. Quantum tunneling
C. Wave-particle duality
D. Photoelectric effect

Answer: Black holes

The ‘Lorentz Transformation’ is associated with which theory?

A. Special Relativity
B. General Relativity
C. Quantum Mechanics
D. Electrodynamics

Answer: Special Relativity

The ‘Casimir Effect’ demonstrates:

A. Quantum fluctuations in a vacuum
B. Electromagnetic interference
C. Gravitational waves
D. Superconductivity

Answer: Quantum fluctuations in a vacuum

Which of the following describes the ‘Higgs Boson’?

A. A particle associated with the Higgs field responsible for mass
B. A fundamental particle carrying the force of gravity
C. A particle that mediates electromagnetic forces
D. A particle with no mass

Answer: A particle associated with the Higgs field responsible for mass

The ‘Rutherford Experiment’ provided evidence for the existence of:

A. A dense atomic nucleus
B. Electron shells
C. Quantum entanglement
D. Photon energy levels

Answer: A dense atomic nucleus

The ‘Zeeman Effect’ refers to the splitting of spectral lines in the presence of:

A. A magnetic field
B. An electric field
C. A gravitational field
D. A thermal field

Answer: A magnetic field

Which of the following is a property of a photon?

A. Zero rest mass
B. Non-zero charge
C. Constant speed in a vacuum
D. All of the above

Answer: Zero rest mass

The ‘quantum state’ of a system is described by its:

A. Wave function
B. Momentum
C. Position
D. Energy

Answer: Wave function