Which physicist proposed the theory of general relativity?
A
Max Planck
B
Albert Einstein
C
Niels Bohr
D
Isaac Newton
Correct Answer: Option B — Albert Einstein
Explanation:
Albert Einstein proposed the theory of general relativity in 1915, which describes gravity not as a force but as a curvature of spacetime caused by mass and energy. This revolutionary theory transformed our understanding of gravity and the universe.