Who discovered cosmic rays? MCQ with Answer and Explanation

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Who discovered cosmic rays?

A. Both

B. Enrico Fermi

C. Robert Millikan

D. Victor Hess

Answer: Option A

Solution (By JKSSB Mock Tests)

Victor Hess discovered cosmic rays.

This question belongs to: Static General Knowledge First in the World

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Question #1

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Which country was the first to provide national-level pension benefits?

A. New Zealand

B. United Kingdom

C. Germany

D. United States

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Correct Answer: Option C

Explanation:
Germany's social insurance laws (1889) provided old-age pensions.

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Question #2

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Who was the first to reach the summit of Lhotse?

A. Fritz Luchsinger and Ernst Reiss

B. Edmund Hillary

C. Hermann Buhl

D. Reinhold Messner

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Correct Answer: Option A

Explanation:
Swiss climbers in 1956.

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Question #3

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Who was the first person to reach the North Pole by air?

A. Richard Byrd

B. Roald Amundsen

C. Umberto Nobile

D. Lincoln Ellsworth

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Correct Answer: Option B

Explanation:
Roald Amundsen was the first person to fly over the North Pole in an airship in 1926.

This question belongs to: Static General Knowledge First in the World

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