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. Li-Fi

B. Zigbee

C. Bluetooth

D. Wi-Fi

Answer: Option A

Solution (By JKSSB Mock Tests)

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

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Who developed the theory of relativity?

A. Stephen Hawking

B. Galileo Galilei

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Correct Answer: Option D

Explanation:
Albert Einstein proposed the theory of relativity.

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India's first indigenous aircraft carrier is:

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Correct Answer: Option B

Explanation:
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Explanation:
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