Which technology uses radio waves to identify objects? MCQ with Answer and Explanation

Which technology uses radio waves to identify objects?
A. LiDAR
B. Bluetooth
C. GPS
D. RFID
Answer: Option D
Solution (By JKSSB Mock Tests)
RFID stands for Radio-Frequency Identification.

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Science and Technology Questions

Question #1
Which of the following is a non-renewable energy source?
A. Coal
B. Wind
C. Solar
D. Geothermal

Correct Answer: Option A


Explanation:
Coal is a fossil fuel and takes millions of years to form, making it non-renewable.

Question #2
Which mission studies the Sun from Lagrange Point 1?
A. Mangalyaan
B. Aditya-L1
C. Chandrayaan-3
D. INSAT

Correct Answer: Option B


Explanation:
Aditya-L1 provides continuous solar observations.

Question #3
AlphaGo is associated with which game?
A. Chess
B. Cricket
C. Carrom
D. Go

Correct Answer: Option D


Explanation:
AlphaGo defeated world champion in Go.