Who discovered the accelerating expansion of the universe? MCQ with Answer and Explanation

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Who discovered the accelerating expansion of the universe?

A. Edwin Hubble

B. Albert Einstein

C. Stephen Hawking

D. Saul Perlmutter, Brian Schmidt, Adam Riess

Answer: Option D

Solution (By JKSSB Mock Tests)

They shared the Nobel for this discovery.

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Question #1

Which country was the first to have a national television network?

A. France

B. United States

C. United Kingdom

D. Germany

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Correct Answer: Option C

Explanation:
BBC Television started the world's first regular service in 1936.

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Question #2

Which country launched the first commercial communications satellite, 'Early Bird'?

A. UK

B. Japan

C. USA

D. France

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Correct Answer: Option C

Explanation:
Intelsat I, also known as 'Early Bird', was the first commercial communications satellite, launched by the USA in 1965.

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Question #3

Who invented the telephone?

A. Nikola Tesla

B. Thomas Edison

C. Alexander Graham Bell

D. Guglielmo Marconi

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Correct Answer: Option C

Explanation:
Alexander Graham Bell is credited with inventing the telephone in 1876.

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