Who invented the microwave oven? MCQ with Answer and Explanation

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Who invented the microwave oven?

A. Percy Spencer

B. Thomas Edison

C. Robert Oppenheimer

D. Nikola Tesla

Answer: Option A

Solution (By JKSSB Mock Tests)

Percy Spencer invented the microwave oven.

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

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Who discovered the TRAPPIST-1 system?

A. Kepler team

B. Michael Gillon

C. Both contributed

D. NASA

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Correct Answer: Option B

Explanation:
Gillon's team discovered the system.

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

Question #2

Who was the first Secretary-General of the United Nations?

A. Dag Hammarskjöld

B. Kurt Waldheim

C. U Thant

D. Trygve Lie

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Correct Answer: Option D

Explanation:
Trygve Lie of Norway was the first UN Secretary-General.

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Question #3

Who invented the match?

A. Charles Sauria

B. All contributed

C. John Walker

D. Robert Boyle

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Correct Answer: Option C

Explanation:
John Walker invented the friction match.

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

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