India's first earth observation satellite was: MCQ with Answer and Explanation

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India's first earth observation satellite was:

A. IRS-1A

B. RISAT-1

C. Cartosat-1

D. Bhaskara

Answer: Option A

Solution (By JKSSB Mock Tests)

IRS-1A was launched in 1988.

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What is 5G technology primarily associated with?

A. Improved satellite broadcasting

B. Personal computer hardware

C. Electric vehicle engines

D. Faster mobile internet speeds

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Correct Answer: Option D

Explanation:
5G is the fifth generation of wireless technology, offering significantly faster data speeds and lower latency.

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Question #2

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Which scientist is famously associated with the theory of relativity?

A. Albert Einstein

B. Niels Bohr

C. Galileo Galilei

D. Isaac Newton

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Correct Answer: Option A

Explanation:
Albert Einstein formulated the theory of general and special relativity.

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Question #3

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What is the term for a space flight that doesn't carry a human crew?

A. Orbiting station

B. Manned mission

C. Unmanned mission

D. Lunar landing

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Correct Answer: Option C

Explanation:
An unmanned mission, or robotic mission, carries sensors and equipment instead of humans.

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