Which technology allows the transmission of data through light? MCQ with Answer and Explanation

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Which technology allows the transmission of data through light?

A. Bluetooth

B. Wi-Fi

C. Zigbee

D. Li-Fi

Answer: Option D

Solution (By JKExamLibrary)

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

This question belongs to: Static General Knowledge Science and Technology

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Question #1 Report Error

The first astronaut from India was:

A. Rakesh Sharma

B. Sunita Williams

C. Yuri Gagarin

D. Kalpana Chawla

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Correct Answer: Option A

Explanation:
Rakesh Sharma was the first Indian in space.

This question belongs to: Static General Knowledge Science and Technology

Question #2 Report Error

What is the role of an 'Algorithm' in software?

A. To store hardware drivers

B. To act as a physical monitor

C. To provide a user interface

D. A set of step-by-step instructions to solve a problem

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Correct Answer: Option D

Explanation:
An algorithm is a logical sequence of steps for performing a task or solving a problem.

This question belongs to: Static General Knowledge Science and Technology

Question #3 Report Error

What is the chemical formula for water?

A. H2CO3

B. OH

C. H2O2

D. H2O

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Correct Answer: Option D

Explanation:
Water consists of two hydrogen atoms and one oxygen atom.

This question belongs to: Static General Knowledge Science and Technology

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