What is the intensity of sound ?

What is the intensity of sound ?
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Answer :

The amount of energy flowing per second through a single area perpendicular to the path of sound passing through a medium is called the intensity of sound . It is expressed by l .
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Description : What is the unit of intensity of sound in Si method ?

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When we hear a sound, we can identify its source from ______. (1) wave length of sound (2) the overtones present in the sound (3) the intensity of sound (4) the amplitude of sound

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Last Answer : (2) Intensity of sound Explanation: Decibel (dB) unit is used for expressing the ratio between two amounts of electric or acoustic power for measuring the relative loudness of sounds.

Intensity of sound has - (1) an object existence (2) a subject existence (3) no existence (4) both subjective and objective existence

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Last Answer : (1) an object existence Explanation: Intensity of sound has an object existence. Sound intensity is defined as the sound power per unit area.

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Last Answer : (4) Wavelength Explanation: The wavelength of sound changes with temperature. This is because the speed of sound changes with the temperature. Since the speed of sound is different at different temperature, this ... while the same tone in fresh water at 68°F would have a wavelength of 48.05 feet.

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Last Answer : (2) Amplitude Explanation: Loudness of Sound: Loudness of sound depends on amplitude of vibration. Loudness of sound is directly proportional to square of amplitude of vibration.

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Last Answer : (2) Sound Explanation: The decibel (dB) is used to measure sound level, but it is also widely used in electronics, signals and communication.

Sound energy passing per second through a unit area held perpendicular is called - (1) Intensity (2) Frequency (3) Amplitude (4) Quality

Description : Sound energy passing per second through a unit area held perpendicular is called - (1) Intensity (2) Frequency (3) Amplitude (4) Quality

Last Answer : (1) Intensity Explanation: Sound energy passes through a unit area held perpendicular to the direction of propagation of sound waves is called intensity of sound.

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Two sources of sound placed close to each other, are emitting progressive waves given by y1 = 4 sin 600 t and y2 = 5 sin 608 t. An observer located near these two sources of sound will hear: (1) 4 beats per second with intensity ratio 81 : 1 between waxing and waning (2) 4 beats per second with intensity ratio 25 : 16 between waxing and waning (3) 8 beats per second with intensity ratio 25 : 16 between waxing and waning (4) 8 beats per second with intensity ratio 81 : 1 between waxing and waning

Description : Two sources of sound placed close to each other, are emitting progressive waves given by y1 = 4 sin 600 t and y2 = 5 sin 608 t. An observer located near these two sources of sound will ... between waxing and waning (4) 8 beats per second with intensity ratio 81 : 1 between waxing and waning

Last Answer : (1) 4 beats per second with intensity ratio 81 : 1 between waxing and waning

Which of the following property of sound is affected by change in air temperature (1) Frequency (2) Intensity (3) Amplitude (4) Wavelength

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Dioptere is the unit of (1) power of a lens (2) focal length of a lens (3) light intensity (4) sound intensity

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Description : The pitch of sound depends on its (1) Frequency(2) Intensity (3) Velocity (4) Amplitude

Last Answer : Frequency

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Last Answer : Intensity of sound

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Last Answer : answer:

What is the name of the instrument used to determine the intensity of sound ?

Description : What is the name of the instrument used to determine the intensity of sound ?

Last Answer : The name of the instrument used to determine the intensity of sound is audio meter.

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Description : What is the conventional unit of sound intensity ?

Last Answer : Conventional unit decibels of sound intensity.

What is the intensity of sound during normal conversation?

Description : What is the intensity of sound during normal conversation?

Last Answer : What is the intensity of sound during normal conversation? A. 10-20 db B. 30-60 db C. 70-90 db D. 120-150 db

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Last Answer : ANSWER: A

The pitch of sound is measured by its (a) Intensity (b) Waveform (c) Frequency (d) Loudness

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Last Answer : B. 1 x 10-7W/m2

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Last Answer : D. 15.6dB

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____________ is the average rate of transmission of sound energy in a given direction through a cross sectional area of 1 sq.m. at right angle to the direction. A. Sound pressure B. Sound intensity C. Pressure variation D. Loudness

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ECE Board Exam March 1996 A car horn outdoors produces a sound intensity level of 90 dB at 10 ft away. At this distance, what is the sound power in watt? A. 12 W B. 0.12 W C. 0.012 W D. 1.2 W

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Last Answer : 100db is harmful to human ears.

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What is the intensity of sound in normal conversation? (a) 10-20 dB (b) 30-60 dB (c) 70-90 dB (d) 120-150 dB

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Description : Which is the unit of measuring intensity of sound?

Last Answer : Decibels

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Description : Lux meter is used to measure…… c) Illumination level c) Harmonics d) Sound intensity and illumination level d) Speed

Last Answer :  Illumination level

116. Lux meter is used to measure…… a) Illumination level c) Harmonics b) Sound intensity and illumination level d) Speed

Description : Lux meter is used to measure…… a) Illumination level c) Harmonics b) Sound intensity and illumination level d) Speed

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What is intensity as it pertains to sound?

Description : What is intensity as it pertains to sound?

Last Answer : The amount of energy transmitted from a source.

The smallest change in sound intensity that can be detected

Last Answer : The smallest change in sound intensity that can be detected 3 dB

What is the level of light intensity ?

Description : What is the level of light intensity ?

Last Answer : H Revelation intensity level.

Which of the following is a symbol of light intensity ?

Description : Which of the following is a symbol of light intensity ?

Last Answer : Cd Revelation is a symbol of intensity unit.

What is the intensity of revelation ?

Description : What is the intensity of revelation ?

Last Answer : Revelation intensity is a fundamental quantity.

Compare the intensity of the fundamental forces existing in nature ?

Description : Compare the intensity of the fundamental forces existing in nature ?

Last Answer : The four basic forces in nature are gravitational force , electromagnetic force , weak nuclear force and simple nuclear force. The weakest force is the gravitational force. The electromagnetic force ... That is, gravitational force < electromagnetic force < weak nuclear force < strong nuclear force.

How many times will the intensity increase if the word spread is 4 times ?

Description : How many times will the intensity increase if the word spread is 4 times ?

Last Answer : If the amplitude of the word is 4 times, the intensity will increase 16 times.