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

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What technology is used in LiDAR?

A. Radio waves

B. Laser light

C. Sound waves

D. Magnetic fields

Answer: Option B

Solution (By JKSSB Mock Tests)

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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Question #1

Which instrument is used to measure electric current?

A. Voltmeter

B. Galvanometer

C. Potentiometer

D. Ammeter

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Correct Answer: Option D

Explanation:
An ammeter is a measuring instrument used to measure the current in a circuit.

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Question #2

mRNA stands for:

A. Multiple Ribonucleic Acid

B. Messenger Ribonucleic Acid

C. Modified Ribonucleic Acid

D. Mitochondrial RNA

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Correct Answer: Option B

Explanation:
mRNA carries genetic information from DNA to ribosomes.

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Question #3

Which of the following is known as the 'Father of Indian Space Programme'?

A. Homi J. Bhabha

B. Satish Dhawan

C. A.P.J. Abdul Kalam

D. Vikram Sarabhai

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Correct Answer: Option D

Explanation:
Dr. Vikram Sarabhai is considered the father of the Indian space program; he founded the Indian National Committee for Space Research (INCOSPAR), which later became ISRO.

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