Sound (Dr. Wael Mortada)
Sound Science Quiz
Test your knowledge about the fascinating world of sound! This quiz covers various aspects of sound, from its properties to its applications in different fields.
Each question will challenge your understanding and help you learn more about sound phenomena.
- Eleven thought-provoking questions
- Multiple choice format for easy answering
- Instant feedback on your responses
On increasing the temperature, the speed of sound in air
Not changed
Decreased
Increased
Increased then decreased
What is the unit used to measure the intensity of sound?
Hertz
Watt
Decibel
Nanometer
The maximum speed of vibrations which produce audible sound will be in:
Sea water
Ground glass
Air
Carbon dioxide
A tuning fork oscillates at a frequency of 512Hz, creating sound waves. How many waves will reach the eardrum of a person near that fork in 2 seconds?
256
512
1024
128
Which of the following terms is a useful quantity to describe the loudness of a sound?
Intensity
Frequency
Wavelength
Speed
In which of the following situations is the Doppler effect absent?
The source and the observer are moving towards each other.
The observer is moving toward the source.
The source is moving away from the observer.
The source of sound and the observer move at the same direction with the same speed
Which of the following is non-audible sound?
15 Hz
150 Hz
1500 Hz
15000 Hz
All the following are true for ultrasound except
Have a low energy
Can be reflected
Can be refracted
Produce intense heating effect
In Magneto-striction generator, the change in length of the ferromagnetic rod is NOT depend on
The strength of the magnetic field
The nature of the materials
The direction of the magnetic field applied
All the above
The higher the frequency, the lower the resolution
True
False
The ratio between peak intensity and the average intensity in the beam is called
Stiffness
Propagation speed
Optical density
Beam non-uniformity ratio
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