Who discovered dark energy? MCQ with Answer and Explanation

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Who discovered dark energy?

A. Albert Einstein

B. Stephen Hawking

C. Saul Perlmutter, Brian Schmidt, Adam Riess

D. Edwin Hubble

Answer: Option C

Solution (By JKSSB Mock Tests)

They discovered the accelerating expansion of the universe.

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Question #1

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Who was the first to reach the summit of Mount Field?

A. Modern

B. Expedition

C. Historical

D. Local

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Correct Answer: Option D

Explanation:
Early ascents.

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Question #2

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Who was the first person to formulate the principle of buoyancy?

A. Isaac Newton

B. Galileo

C. Pascal

D. Archimedes

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Correct Answer: Option D

Explanation:
Archimedes discovered the law of buoyancy.

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Question #3

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Which was the first human-made satellite to orbit the Earth?

A. Luna 2

B. Explorer 1

C. Vanguard 1

D. Sputnik 1

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Correct Answer: Option D

Explanation:
The Soviet Union launched Sputnik 1 in 1957, making it the first artificial satellite to orbit Earth.

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