Which of these is a primary color? MCQ with Answer and Explanation

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Which of these is a primary color?

A. Green

B. Yellow

C. Red

D. Orange

Answer: Option C

Solution (By JKSSB Mock Tests)

The primary additive colors of light are red, green, and blue.

This question belongs to: Static General Knowledge Science and Technology

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Question #1

What is a 'Browser' in computing?

A. A type of physical keyboard

B. Hardware to store data

C. A programming language

D. Software to access the internet

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Correct Answer: Option D

Explanation:
A web browser is software used to browse and view websites on the internet.

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Question #2

The first woman to win Nobel Prize in Physics was:

A. Marie Curie

B. Ada Yonath

C. Françoise Barré-Sinoussi

D. Dorothy Hodgkin

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Correct Answer: Option A

Explanation:
Marie Curie won in 1903.

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Question #3

What is the speed of light in vacuum?

A. 2.5 x 10^8 m/s

B. 4 x 10^8 m/s

C. 3 x 10^8 m/s

D. 5 x 10^8 m/s

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Correct Answer: Option C

Explanation:
The speed of light is approximately 300,000 km/s or 3 x 10^8 m/s.

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