General Knowledge

Who proposed the "uncertainty principle" in quantum mechanics?

A) Albert Einstein
B) Werner Heisenberg ✓
C) Niels Bohr
D) Max Planck
Werner Heisenberg introduced the uncertainty principle in 1927, highlighting the fundamental limits of measuring subatomic properties.
This Answer is ✓ Verified and cross checked by Wasim Abbas and was last updated on May 11, 2026
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General Knowledge

The Great Barrier Reef is located in which country?

A) Australia
B) Indonesia
C) Philippines
D) Fiji
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General Knowledge

The Mughal emperor Akbar established which system of land revenue?

A) Ryotwari
B) Mahalwari
C) Zabti
D) Iqta
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General Knowledge

What is the name of the boundary separating Earth's crust and mantle?

A) Conrad Discontinuity
B) Mohorovičić Discontinuity
C) Gutenberg Discontinuity
D) Lehmann Discontinuity
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General Knowledge

What is the highest court in the United States?

A) District Court
B) Supreme Court
C) Court of Appeals
D) Constitutional Court
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General Knowledge

The Great Fire of London occurred in which year?

A) 1500
B) 1666
C) 1750
D) 1805
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