Question
What is the audible frequency
range?Solution
The SI unit of audio frequency is the hertz (Hz). It is the property of sound that most determines pitch. The generally accepted standard range of audible frequencies is 20 to 20,000 Hz, although the range of frequencies individuals hear is greatly influenced by environmental factors.
A concave lens has a focal length 15 cm. If the object is placed at 30 cm from the lens, what is the image distance?
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2. Sound travels in rocks in the form of longitudi...
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I) Voltmeter - Measures potential difference
II) Ammeter - Me...
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Which of the following represents Pressure?
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