Physics
Authored by Jade Pagutayao
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10th Grade
Used 2+ times
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23 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
It is a pressure variation transmitted through matter as a longitudinal wave.
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Answer explanation
Sound
2.
OPEN ENDED QUESTION
3 mins • 1 pt
It has frequency, wavelength and speed and Also reflect and interfere.
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Sound waves
3.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the speed of the sound in air at room temperature (20°C)?
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343 m/s
4.
OPEN ENDED QUESTION
3 mins • 1 pt
The amplitude of a sound wave is measured in?
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Decibels (dB)
5.
OPEN ENDED QUESTION
3 mins • 1 pt
The loudness of a sound as perceived by the ear and brain depends mainly on its?
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Amplitude
6.
OPEN ENDED QUESTION
3 mins • 1 pt
It refers to the energy that travels in a given area perpendicular to the direction of the energy flow per unit time.
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Intensity
7.
OPEN ENDED QUESTION
3 mins • 1 pt
The frequency of a sound wave is heard as its?
The lower its ___, the lower its frequency
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Answer explanation
pitch
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