Who discovered the first brown dwarf? MCQ with Answer and Explanation

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Who discovered the first brown dwarf?

A. Gliese 229B team

B. Teide 1 discovery team

C. Multiple

D. Michael McElwain

Answer: Option A

Solution (By JKSSB Mock Tests)

Gliese 229B was the first confirmed brown dwarf.

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Question #1

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Who was the first woman to win the Best Actress Oscar for a comedy?

A. Claudette Colbert

B. Judy Holliday

C. Audrey Hepburn

D. Katharine Hepburn

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Correct Answer: Option A

Explanation:
Claudette Colbert for 'It Happened One Night'.

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Question #2

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Who discovered the first potentially habitable exoplanet around a Sun-like star?

A. NASA

B. Michel Mayor

C. Kepler-22b

D. Both

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Correct Answer: Option C

Explanation:
Kepler-22b.

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Question #3

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Which country had the first modern public library?

A. UK

B. Germany

C. France

D. USA

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Correct Answer: Option A

Explanation:
The UK's Public Libraries Act of 1850 is the benchmark for the modern public library.

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