Who discovered that light velocity shifts slightly depending on whether it moves parallel or perpendicular to the Earth's orbit, leading to the famous null result? MCQ with Answer and Explanation
Who discovered that light velocity shifts slightly depending on whether it moves parallel or perpendicular to the Earth's orbit, leading to the famous null result?
A. Hendrik Lorentz
B. Albert Michelson and Edward Morley
C. James Clerk Maxwell
D. Albert Einstein
Answer: Option B
Solution (By JKSSB Mock Tests)
The Michelson-Morley experiment in 1887 found no evidence of the hypothetical luminiferous aether, laying the ground for relativity.
Explanation:
While Fleming discovered penicillin, Florey and Chain isolated and purified the molecule for medical treatment, sharing the 1945 Nobel Prize.
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