General Science - Physics (Basics)
Which of the following devices uses the principle of reflection of sound waves?
Which of the following devices uses the principle of reflection of sound waves?
easy Q2 of 15
Step-by-Step Solution
Step 1: Identify sound reflection
Reflection of sound waves causes echo, used in devices to detect objects underwater.Step 2: Device using sound reflection
Echo sounder sends sound waves and detects reflected waves to measure depth.Final Answer:
Echo sounder → Option BQuick Check:
Sound reflection device = Echo sounder ✅
Quick Trick: Echo sounder uses reflected sound waves.
Common Mistakes:
MISTAKES- Confusing microphone or loudspeaker with reflection devices.
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