What is sound?

• Sound is a type of light wave
• Sound is a form of solid matter
• Sound is a smell that can be perceived through the nose
• Sound is a vibration that travels through the air or another medium and can be heard when it reaches a person's or animal's ear.

Ultra sonic sound frequency range?

• Between 5,000-10,000 Hz
• Above 20 KHz

• Below 1,000 Hz
• Exactly 20,000 Hz

The speed of sound in air?

• 343 meters per second
• 1 kilometer per second
• 500 meters per second
• 100 meters per second

Use of Ultra sonic in real life?

• Cooking food
• Playing music
• Writing letters
• Medical imaging, cleaning, and measuring distances

What is an ultra sonic sensor?

• A device that uses sound waves to measure distance or detect objects
• A tool for recording audio at an extremely high volume
• A device that measures temperature using sound waves
• A type of camera that captures images using high frequency waves

The main parts of an ultra sonic sensor?

• transmitter, receiver, and control unit
• speaker, microphone, and display
• camera, lens, and flash
• antenna, amplifier, and processor

Which are the main 4 pins of an ultra sonic sensor?

• Red, Blue, Green, Yellow
• North, South, East, West
• Up, Down, Left, Right
• VCC, Trig, Echo, and GND

What is the application of ultra sonic sensors in the medical field?

• Measuring blood pressure

• Detecting tumors

• Monitoring heart rate

• Diagnosing skin conditions

How does ultra sonic sensor technology contribute to industrial processes?

• Monitoring air quality

• Detecting leaks in pipelines

• Controlling traffic signals

• Measuring soil moisture

What are the advantages of using ultra sonic sensors in robotics?

• Enhanced visual perception

• Improved battery life

• Accurate distance measurement

• Reduced processing time