Decibel is a term connected with : (1) air (2) water (3) sound (4) soil

1 Answer

Answer :

sound

Related questions

Description : Decibel is a term connected with : (1) air (2) water (3) sound (4) soil

Last Answer : (3) sound Explanation: The decibel (dB) is a logarithmic unit that indicates the ratio of a physical quantity (usually power or intensity) relative to a specified or implied reference level. A ratio in, decibels is ten times the logarithm to base 10 of the ratio of two power quantities.

Description : Which term is not associated with sound wave? (1) Hertz (2) Decibel (3) Candela (4) Mach

Last Answer : (3) Candela Explanation: Candela is the standard unit of luminous intensity, the luminous power per unit solid angle emitted by a point light source in a particular direction, in the International System of Units. The word candela means candle in Latin.

Description : Which term is not associated with sound wave? (1) Hertz (2) Decibel (3) Candela (4) Mach

Last Answer : Candela

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.

Description : Which of the following is the unit of perceived loudness of sound? (1) Decibel (2) Sone (3) Hertz (4) Phon

Last Answer : (2) Sone Explanation: Loudness is a subjective characteristic of a sound (as opposed to the sound-pressure level in decibels, which is objective and directly measurable). Perceived loudness of sound ... on sound pressure level, the frequency spectrum, and the time behavior of the sound in question.

Description : The ordinary and maximum tolerance limit of sound by human being is – (1) 50 db to 70 db (decibel) (2) 60 db to 80 db (decibel) (3) 65 db to 75 db (decibel) (4) 70 db to 85 db (decibel)

Last Answer : (2) 60 db to 80 db (decibel) Explanation: Normal speech is about 60 dB (decibels). A dangerous sound is anything that is 80 dB or higher which can lead to hearing loss. At 70 dB or ... the risk of harm to healthy ears is negligible. Listening to sound above 80 decibels can cause profound deafness.

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.

Description : A decibel is – (1) A musical instrument (2) The wavelength of noise (3) A musical note (4) A measure of sound level

Last Answer : (4) A measure of sound level Explanation: The decibel (dB) is a logarithmic unit that indicates the ratio of a physical quantity (usually power or intensity) relative to a specified or implied reference ... ratio in decibels is ten times the logarithm to base 10 of the ratio of two power quantities.

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.

Description : How many times more intense is an 80 decibel sound than a 40 decibel sound? w) 2 x) 40 y) 1000 z) 10,000

Last Answer : ANSWER: Z -- 10,000

Description : Which of the following is the unit of perceived loudness of sound ? (1) Decibel (2) Sone (3) Hertz (4) Phon

Last Answer : Sone

Description : The ordinary and maximum tolerance limit of sound by human being is (1) 50 db to 70 db (decibel) (2) 60 db to 80 db (decibel) (3) 65 db to 75 db (decibel) (4) 70 db to 85 db (decibel)

Last Answer : 60 db to 80 db (decibel)

Description : A decibel is (1) a musical instrument (2) the wavelength of noise (3) a musical note (4) a measure of sound level

Last Answer : a measure of sound level

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

Description : At what decibel level can sound hurt your ears?

Last Answer : answer:[snip from wikipedia article on Sound] Humans can generally hear sounds with frequencies between 20 Hz and 20 kHz (the audio range) although this range varies significantly with age, occupational hearing damage, and ... . or at least that's what if feels like to me ... hope this helps ^_^

Description : The weakest sound that can be heard by a person in a quiet environment is equivalent to __________ decibel. (A) 1 (B) 5 (C) 10 (D) 50

Last Answer : A) 1

Description : What is decibel scale ?

Last Answer : The scale by which the smallest change in human audible sound is measured is called the decibel scale. According to this scale, a word of 20 decibels is 10 times more intense than a word of 10 decibels and a word of 30 decibels is 100 times more intense.

Description : The unit of noise pollution (level) is – (1) decibel (2) decimal (3) ppm (4) None of these

Last Answer : (1) decibel Explanation: Noise pollution refers to any unpleasant, damaging or irritating noise that has the potential to harm people, wildlife or the environment. The decibel (dB) is the main unit used ... can also be measured. by its pitch, which is the frequency of sound vibrations per second.

Description : Noise is measured in – (1) Watt (2) REM (3) Centigrade (4) Decibel

Last Answer : (4) Decibel Explanation: The decibel (dB) is a logarithmic unit that indicates the ratio of a physical quantity (usually power or intensity) relative to a specified or implied reference level. A ratio in ... from their roosts in caves, attics, or trees at dusk and hunt for insects into the night.

Description : The unit of measurement of noise is – (1) Decibel (2) Hertz (3) Amplifier (4) Acoustics

Last Answer : (1) Decibel Explanation: The decibel (dB) is the unit used to measure the intensity of sound or noise level. It is given in terms of a logarithmic function of a ratio of power intensities. One ... one bel, named in honor of Alexander Graham Bell who was the inventor of the telephone and phonograph.

Description : The unit of measurement of noise is (1) Decibel (2) Hertz (3) Amplifier (4) Acoustics

Last Answer : Decibel

Description : The unit of noise pollution (level) is : (1) decibel (2) decimal (3) ppm (4) None of these 

Last Answer : decibel

Description : Noise is measured in (1) Watt (2) REM (3) Centigrade(4) Decibel

Last Answer : Decibel

Description : What does the term decibel mean?

Last Answer : Decibel is a measure of sound and is logarithmic, meaning 50 decibels is twice as loud as 40 decibels.

Description : Buying a 102 decibel whistle for walking my dog and wonder if I have to blow it for safety, if the dog's ears and my ears will be okay?

Last Answer : I can’t imagine an emergency in which you would need that kind of whistle. If you have a true emergency in which someone is attacking you, I would have a can of pepper spray instead of a whistle.

Description : How loud is a Fire alarm decibel?

Last Answer : Just tested our work alarm and it read 95db.

Description : Decibel is the unit of….

Last Answer : Sound

Description : What is Decibel?

Last Answer : Scale of sound level

Description : The use of Decibel unit is ……

Last Answer : Intensity of sound

Description : The unit of pitch A. Decibel B. Phon C. Mel D. Sone

Last Answer : C. Mel

Description : _______ is a typeof transmission impairment in which an outside sourcesuch as crosstalk corrupts asignal. A) Attenuation B) Distortion C) Noise D) Decibel

Last Answer : Noise

Description : ________ is a typeof transmission impairment in which the signal loses strength due to the different propagation speeds of each frequency that makes up the signal. A) Attenuation B) Distortion C) Noise D) Decibel

Last Answer : Distortion

Description : ________ is a typeof transmission impairment in which the signal loses strength due to theresistance of the transmission medium. A) Attenuation B) Distortion C) Noise D) Decibel

Last Answer : Attenuation

Description : Noise pollution level in a chemical plant is expressed in (A) Roentgen (B) Decibel (C) Hertz (D) None of these

Last Answer : (B) Decibel

Description : Describe the -3 decibel (dB) optical power frequency (f3dB).

Last Answer : The -3 decibel (dB) is the lowest frequency at which the magnitude of the fiber frequency response has decreased to one half its zero-frequency value.

Description : The .............. measures the relative strengths of two signals or a signal at two different points. (A) frequency (B) attenuation (C) throughput (D) decibel

Last Answer : (D) decibel

Description : ..................... is a type of transmission impairment in which the signal loses strength due to the resistance of the transmission medium. (A) Attenuation (B) Distortion (C) Noise (D) Decibel

Last Answer : (A) Attenuation

Description : 1. The quality of sound produced by an instrument depends on the which thing? 2. The term Tee' is connected with which game? 3. In India, the bank NABARD does not provide refinance to which ... deficit in Govt. of India budget? 19. Which pair of ocean currents meet each other near Newfound land?

Last Answer : Answer : 1. Number of overtones 2. Golf 3. Export-Import Banks 4. Hunting 5. Romans 6. NPK 7. 97 subjects 8. Common salt is exposed to air 9. Plucking 10. Rajendra Chola I 11. Chess ... Sedimentary rocks 15. Rajaraja 16. Eleventh Schedule 17. 106 ohm 18. Fiscal deficit 19. Gulf stream and Labrador

Description : The term "infrasonic" applied to sound refers to sound waves below - (1) 200 Hz (2) 20000 Hz (3) 20 Hz (4) 0 Hz

Last Answer : (3) 20 Hz Explanation: The term "infrasonic" applied to sound refers to sound waves below the frequencies of audible sound, and nominally includes anything under 20Hz.

Description : The term "laminar flow" is most often associated with the description of: w) conduction of sound by waves x) current flow in transistors y) effects of viscosity of liquids z) passage of light rays through a liquid

Last Answer : ANSWER: Y -- EFFECTS OF VISCOSITY OF LIQUIDS

Description : The velocity of sound is more in – (1) water (2) air (3) steel (4) wood

Last Answer : (3) steel Explanation: Sound travels at different speeds depending on what it is traveling through. Of the three mediums (gas, liquid, and solid) sound waves travel the slowest through gases, ... liquids, and fastest through solids. They travel over 17 times faster through steel than through air.

Description : In which medium, velocity of sound is maximum? (1) Metals (2) Air (3) Water (4) Polymer

Last Answer : (1) Metals Explanation: The speed of sound is highest in solid. The speed of sound depends on the density of the medium through which it is travelling.

Description : Sound cannot pass through – (1) Water (2) Steel (3) Air (4) Vacuum

Last Answer : (4) Vacuum Explanation: Sound is a mechanical wave that is an oscillation of pressure transmitted through a solid, liquid, or gas, composed of frequencies within the range of hearing. Sound ... propagation). Sound cannot travel through a vacuum because it does not provide the medium to propagate.

Description : Velocity of the sound is minimum in - (1) Steel (2) Vacuum (3) Water (4) Air

Last Answer : (2) Vacuum Explanation: The speed of sound in a vacuum is zero meters per second, as sound cannot travel in a vacuum. Sound is a wave, which means it spreads through the vibration of particles in a medium, such as water or air.

Description : Among the following materials sound travels fastest in – (1) Steel (2) Air (3) Vacuum (4) Water

Last Answer : (1) Steel Explanation: The speed of sound is the distance travelled during a unit of time by a sound wave propagating through an elastic medium. In dry air at 20 °C (68 °F), the speed ... varies from substance to substance. Sound travels faster in liquids and non-porous solids than it does in air.

Description : Speed of sound is the greatest in : (1) Water (2) Air (3) Glass (4) Glycerine

Last Answer : (3) Glass Explanation: Sound travels faster in liquids and non-porous solids than it does in air. It travels about 4.3 times as fast in water (1,484 m/s), and nearly 15 times as fast in iron (5,120 m/s), than in air at 20 degrees Celsius.

Description : The velocity of sound is more in (1) water (2) air (3) steel (4) wood

Last Answer : steel

Description : Among the following materials sound travels fastest in (1) Steel (2) Air (3) Vacuum (4) Water

Last Answer : Steel

Description : Sound cannot pass through (1) water (2) steel (3) air (4) vacuum

Last Answer : vacuum

Description : Speed of sound is the greatest in : (1) Water (2) Air (3) Glass (4) Glycerine

Last Answer : Glass