Major Scientific Theories (Relativity, Quantum Mechanics) MCQs

1. Who formulated the theory of relativity?
(A) Niels Bohr
(B) Isaac Newton
(C) Albert Einstein
(D) Galileo Galilei

2. What does Einstein’s famous equation
𝐸
=
𝑚
𝑐

3. According to special relativity, what happens to time as an object approaches the speed of light?
(A) It speeds up
(B) It slows down
(C) It remains the same
(D) It stops completely

4. What concept does general relativity use to explain gravity?
(A) Gravitational waves
(B) The curvature of spacetime
(C) Quantum fluctuations
(D) Magnetic attraction

5. Which experiment confirmed general relativity by demonstrating the bending of light by gravity?
(A) Young’s Double-Slit Experiment
(B) Eddington’s Solar Eclipse Experiment
(C) Michelson-Morley Experiment
(D) Rutherford’s Gold Foil Experiment

6. Quantum Mechanics MCQs
Q#6 Which scientist is credited with developing the uncertainty principle?
(A) Max Planck
(B) Erwin Schrödinger
(C) Werner Heisenberg

7. What is the main idea of Heisenberg’s Uncertainty Principle?
(A) Energy is always conserved
(B) The position and momentum of a particle cannot be known simultaneously
(C) Electrons orbit the nucleus in fixed paths
(D) Light behaves only as a wave

8. Schrödinger’s cat thought experiment is used to illustrate which quantum principle?
(A) Quantum tunneling
(B) Superposition
(C) Wave-particle duality
(D) Quantum entanglement

9. What phenomenon describes how two quantum particles remain connected regardless of distance?
(A) Quantum Tunneling
(B) Quantum Entanglement
(C) Pauli Exclusion Principle
(D) Special Relativity

10. Which experiment demonstrated that light behaves as both a wave and a particle?
(A) Rutherford’s Gold Foil Experiment
(B) Eddington’s Solar Eclipse Experiment
(C) Young’s Double-Slit Experiment
(D) Michelson-Morley Experiment