What technology is used in LiDAR? MCQ with Answer and Explanation

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What technology is used in LiDAR?

A. Magnetic fields

B. Laser light

C. Radio waves

D. Sound waves

Answer: Option B

Solution (By JKExamLibrary)

LiDAR uses laser pulses to measure distances and create 3D maps.

This question belongs to: Static General Knowledge Science and Technology

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What is the unit of pressure?

A. Watt

B. Pascal

C. Newton

D. Joule

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Correct Answer: Option B

Explanation:
The Pascal (Pa) is the SI unit of pressure.

This question belongs to: Static General Knowledge Science and Technology

Question #2 Report Error

What is the chemical name for table salt?

A. Sodium chloride

B. Calcium carbonate

C. Potassium chloride

D. Sodium carbonate

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Correct Answer: Option A

Explanation:
Table salt is chemically known as sodium chloride (NaCl).

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Who is known as the Father of the Indian Space Programme?

A. C.V. Raman

B. A.P.J. Abdul Kalam

C. Homi J. Bhabha

D. Vikram Sarabhai

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Correct Answer: Option D

Explanation:
Dr. Vikram Sarabhai is regarded as the Father of the Indian Space Programme. He founded ISRO.

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