The concept of 'Black Hole' was first proposed by: MCQ with Answer and Explanation

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The concept of 'Black Hole' was first proposed by:

A. Stephen Hawking

B. John Michell

C. Isaac Newton

D. Albert Einstein

Answer: Option B

Solution (By JKSSB Mock Tests)

Michell proposed the idea in the 18th century.

This question belongs to: Static General Knowledge Science and Technology

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Question #1

What is 'Virtual Reality' (VR)?

A. A method to compress large video files

B. A computer-generated simulation of an environment

C. A high-speed internet service

D. A way to print 3D objects

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Correct Answer: Option B

Explanation:
VR uses technology to immerse users in a simulated 3D environment.

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Question #2

Which technology allows the transmission of data through light?

A. Li-Fi

B. Bluetooth

C. Wi-Fi

D. Zigbee

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Correct Answer: Option A

Explanation:
Li-Fi (Light Fidelity) uses light waves from LED bulbs to transmit data at high speeds.

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Question #3

Which chemical element is found in all organic compounds?

A. Carbon

B. Sulfur

C. Nitrogen

D. Oxygen

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Correct Answer: Option A

Explanation:
Organic chemistry is defined as the study of carbon-based compounds.

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