What is the conventional unit of sound intensity ?

What is the conventional unit of sound intensity ?
by

1 Answer

Answer :

Conventional unit decibels of sound intensity.
by

Related questions

What is the unit of intensity of sound in Si method ?

Description : What is the unit of intensity of sound in Si method ?

Last Answer : The unit of sound intensity in the Si method is Wm ^ -2

Decibel is the unit of ______. (1) Speed of light (2) Intensity of sound (3) Intensity of heat (4) None of these

Description : Decibel is the unit of ______. (1) Speed of light (2) Intensity of sound (3) Intensity of heat (4) None of these

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.

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

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

Last Answer : (1) power of a lens

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.

Decibel is the unit used for – (1) Speed of light (2) Intensity of heat (3) Intensity of sound (4) Radio wave frequency

Description : Decibel is the unit used for – (1) Speed of light (2) Intensity of heat (3) Intensity of sound (4) Radio wave frequency

Last Answer : (3) Intensity of sound Explanation: The decibel (abbreviated dB) is the unit used to measure the intensity of a sound. The decibel scale is a little odd because the human ear is incredibly ... of a physical quantity (usually power or intensity) relative to a specified or implied reference level.

The sound energy per unit area at right angles to the propagation direction per unit time. A. Sound intensity B. Loudness C. Coherence D. Sound stress

Description : The sound energy per unit area at right angles to the propagation direction per unit time. A. Sound intensity B. Loudness C. Coherence D. Sound stress

Last Answer : A. Sound intensity

Which is the unit of measuring intensity of sound?

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

Last Answer : Decibels

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

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

Last Answer : power of a lens

Decibel is the unit used for (1) Speed of light (2) Intensity of heat (3) Intensity of sound (4) Radio wave frequency

Description : Decibel is the unit used for (1) Speed of light (2) Intensity of heat (3) Intensity of sound (4) Radio wave frequency

Last Answer : Intensity of sound

Energy transferred per unit charge is A. e.m.f B. current C. potential difference D. conventional current

Description : Energy transferred per unit charge is A. e.m.f B. current C. potential difference D. conventional current

Last Answer : potential difference

With conventional hydrogen cooling it is possible to increase the rating of a single unit to (a) 50 MW (b) 100 MW (c) 200 MW (d) none ofthe above

Description : With conventional hydrogen cooling it is possible to increase the rating of a single unit to (a) 50 MW (b) 100 MW (c) 200 MW (d) none ofthe above

Last Answer : (c) 200 MW

What is the intensity of sound measured in? -General Knowledge

Description : What is the intensity of sound measured in? -General Knowledge

Last Answer : answer:

What is the intensity of sound ?

Description : What is the intensity of sound ?

Last 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 .

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.

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

The approximate intensity level of the sound which can caused damage to the ear drum is _____? A. 100 dB B. 60 dB C. 160 dB D. 20 dB

Description : The approximate intensity level of the sound which can caused damage to the ear drum is _____? A. 100 dB B. 60 dB C. 160 dB D. 20 dB

Last Answer : ANSWER: A

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

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

Last Answer : Ans:(c)

Ondometer is a - (1) Measuring instrument for distance covered by motor wheels (2) Measuring instrument for frequency of electromagnetic waves (3) Device for measuring sound intensity (4) Measuring instrument for electric power

Description : Ondometer is a - (1) Measuring instrument for distance covered by motor wheels (2) Measuring instrument for frequency of electromagnetic waves (3) Device for measuring sound intensity (4) Measuring instrument for electric power

Last Answer : (2) Measuring instrument for frequency of electromagnetic waves

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

Description : 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

Last Answer : (2) the overtones present in the sound Explanation: An overtone is any frequency higher than the fundamental frequency of a sound. Using the model of Fourier analysis, the fundamental and the overtones together are called partials.

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

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

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.

The pitch of the sound is measured by its: (1) Intensity (2) waveform (3) Frequency (4) Loudness

Description : The pitch of the sound is measured by its: (1) Intensity (2) waveform (3) Frequency (4) Loudness

Last Answer : (3) Frequency Explanation: Pitch relates to the frequency, or how many times a second the particles vibrate. The distance between one wave and the next gives the wavelength. For sounds all travelling at the same speed, highfrequency (high-pitched) sounds have waves very close together.

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

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

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.

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

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

Last Answer : (1) Frequency Explanation: Pitch is a perceptual property that allows the ordering of sounds on a frequencyrelated scale. Pitch may be quantified as a frequency, but pitch is not a purely objective physical property; it is a subjective psychoacoustical attribute of sound.

Loudness of sound varies directly with vibrating body’s – (1) Intensity (2) Amplitude (3) Pitch (4) Quality

Description : Loudness of sound varies directly with vibrating body’s – (1) Intensity (2) Amplitude (3) Pitch (4) Quality

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.

Decibel is used to measure the intensity of - (1) Magnetic field (2) Sound (3) Light (4) Heat

Description : Decibel is used to measure the intensity of - (1) Magnetic field (2) Sound (3) Light (4) Heat

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.

What is affected by the distance between the listener and the source of the sound because the intensity varies inversely with the square of the distance? A. Volume B. Pitch C. Loudness D. Frequency

Description : What is affected by the distance between the listener and the source of the sound because the intensity varies inversely with the square of the distance? A. Volume B. Pitch C. Loudness D. Frequency

Last Answer : C. Loudness

The sound intensity received from the nearby jet plane is 12.6 µW/m2 and that from another jet plane some distance away is 0.45 µW/m2 . Find the relative loudness of the two. A. 14.0 dB B. 14.5dB C. 12.5 D. 14.5

Description : The sound intensity received from the nearby jet plane is 12.6 µW/m2 and that from another jet plane some distance away is 0.45 µW/m2 . Find the relative loudness of the two. A. 14.0 dB B. 14.5dB C. 12.5 D. 14.5

Last Answer : B. 14.5dB

What sound intensity corresponds to a sound-intensity level of 50dB? A. 1 x 10-6W/m2 B. 1 x 10-7W/m2 C. 1 x 10-8W/m2 D.1 x 10-5W/m2

Description : What sound intensity corresponds to a sound-intensity level of 50dB? A. 1 x 10-6W/m2 B. 1 x 10-7W/m2 C. 1 x 10-8W/m2 D.1 x 10-5W/m2

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

For the safety and comfort of factory workers, the sound-intensity level in a certain factory must remain below 85 dB. What is the maximum sound intensity allowed in this factory? A. 3.2 x 10-4 W/m2 B. 3.2 x 10-6 W/m2 C. 3.2 x 10-10 W/m2 D. 3.2 x 10-3 W/m2

Description : For the safety and comfort of factory workers, the sound-intensity level in a certain factory must remain below 85 dB. What is the maximum sound intensity allowed in this factory? A. 3.2 x 10-4 W/m2 B. 3.2 x 10-6 W/m2 C. 3.2 x 10-10 W/m2 D. 3.2 x 10-3 W/m2

Last Answer : A. 3.2 x 10-4 W/m2

A choir consisting of 36 individuals all of whom can sing with the same intensity. A soloist sings a certain passage and then is joined by the remainder of the choir members for a repeat of the passage. What is the difference in the sound intensity level in the two cases? A. 3 dB B. 6 dB C. 36 dB D. 15.6dB

Description : A choir consisting of 36 individuals all of whom can sing with the same intensity. A soloist sings a certain passage and then is joined by the remainder of the choir members for a repeat of the passage. What is the ... sound intensity level in the two cases? A. 3 dB B. 6 dB C. 36 dB D. 15.6dB

Last Answer : D. 15.6dB

ECE Board Exam April 1997 Sound intensity is given as A. df/dP B. dE/dp C. dA/dP D. dP/dA

Description : ECE Board Exam April 1997 Sound intensity is given as A. df/dP B. dE/dp C. dA/dP D. dP/dA

Last Answer : D. dP/dA

Sound intensity level is ________. A. 10 log I/I(ref) B. 10 log I(ref)/I C. 30 log I/I(ref) D. 20 log I/I(ref)

Description : Sound intensity level is ________. A. 10 log I/I(ref) B. 10 log I(ref)/I C. 30 log I/I(ref) D. 20 log I/I(ref)

Last Answer : A. 10 log I/I(ref)

____________ 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

Description : ____________ 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

Last Answer : B. Sound intensity

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

Description : 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

Last Answer : C. 0.012 W

Any sound with intensity of beyond

Description : Any sound with intensity of beyond

Last Answer : 100db is harmful to human ears.

The approximate intensity level of the sound which can cause damage to the ear drum is? A. 20 dB B. 60 dB C. 100 dB (Answer) D. 160 dB

Description : The approximate intensity level of the sound which can cause damage to the ear drum is? A. 20 dB B. 60 dB C. 100 dB (Answer) D. 160 dB

Last Answer : C. 100 dB (Answer)

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

Description : 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

Last Answer : b) 30-60 dB

The signal which has infinitely many levels of intensity over a period of time is called ……… A. digital signal B. analog signal C. both a and b D. sound signal

Description : The signal which has infinitely many levels of intensity over a period of time is called ……… A. digital signal B. analog signal C. both a and b D. sound signal

Last Answer : A. digital signal

The sound which continues even after its source is cut off, is called (A) Reverberation (B) Echo (C) Intensity of sound (D) Interferenc

Description : The sound which continues even after its source is cut off, is called (A) Reverberation (B) Echo (C) Intensity of sound (D) Interferenc

Last Answer : Answer: Option A

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

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

Last Answer : Illumination level

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

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

Last Answer : Illumination level

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.

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

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

Last Answer : Wavelength

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

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

Last Answer : Frequency

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 symbol of the unit of light intensity ?

Description : What is the symbol of the unit of light intensity ?

Last Answer : The symbol of the unit of light intensity Cd.

The modern unit of intensity of light is ______.

Description : The modern unit of intensity of light is ______.

Last Answer : The modern unit of intensity of light is ______. A. lumen B. candle power C. lux D. All the above.

Curie is an unit of – (1) Radioactivity (2) energy of Gamma rays (3) intensity of Gamma rays (4) work function

Description : Curie is an unit of – (1) Radioactivity (2) energy of Gamma rays (3) intensity of Gamma rays (4) work function

Last Answer : (1) Radioactivity Explanation: The curie (symbol Ci) is a non-SI unit of radioactivity, named 'in honour of Pierre Curie. It was originally defined as "the quantity or mass of radium emanation in equilibrium with one gram of radium (element)".