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. 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

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

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

5. Quantum Mechanics MCQs
(A) Max Planck
(B) Erwin Schrödinger
(C) Werner Heisenberg

6. 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

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

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

9. 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