0
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
What are two types of sound and their approximate decibel levels?
A normal conversation is about 70 decibels (dB). A gun firing off is about 140 dB.
What is the symbol for decibels?
The usual symbol for decibels is dB.
What is a machine that measures decibels?
An SPLOIUYTR machine measures decibels.
What unit are sound waves measured in?
•Sound can be measured in many ways such as decibels. There is a special machine which you can by that measures how many decibels something makes. A pin makes 10 decibels where as a loud persons or a stereo can make up to 80 decibels. Volume is measured in decibels. So Frequency is measured in hertz
How many decibels?
in what
How many decibels does a sonic grenade emit?
130 decibels -140 decibels close up maybe louder though
How many decibels is a jumbo jet?
On takeoff, anywhere from 140 - 150 dB.
Is 8.9 decibals high?
yes it is... its almost high enough to make you deaf.........LOL! 8.9 decibels is very, very quiet. It is quieter than a whisper. 70 decibels is loud. 140 decibels is painfully loud.
A noise level of 65 decibels is measured for?
A noise level that measures 65 decibels is for a normal conversation on the noise scale. On this scale, 0 decibel is the threshold of hearing and 140 decibels is a jet plane at a distance of about 50 meters away.
What are two types of sound and their approximate decibel levels?
A normal conversation is about 70 decibels (dB). A gun firing off is about 140 dB.
How many decibels is are fireworks?
140 dB A normal conversation is about 60 dB (Just to let you know how loud fireworks are)
Why is the abbreviation for decibels dB?
DeciBels
Does voltage current or power affect volume in a speaker?
Power (Watts)/ Decibels (if the speaker is efficient) 2 Watts = 93 decibels 4 Watts = 96 decibels 8 Watts = 99 decibels 16 Watts = 102 decibels 32 Watts = 105 decibels 64 Watts = 108 decibels 128 Watts = 111 decibels 256 Watts = 114 decibels 512 Watts= 117 decibels 1024 Watts = 120 decibels Some Volumes to Compare 10 decibels = normal human breathing 60 decibels = normal human conversation 110 decibels = power saw, car horn, shouting in ear, 120 decibels = jet aircraft close by, emergency vehicle siren, rock concert
What do decibels change in?
do decibels change to wavelength
How many decibels is a whisper?
20 decibels
What decibel is deafening?
Starting at 85 decibels, ear plugsshould be worn because hearing damage begins. At 140 decibels, no matter what the frequency or duration of time, serious damage is inflicted to the ears and it is extremely painful. At 145 decibels, vision begins to blur due to vibration. 163 decibels is the minimum glass breaking sound level.Go to this chart for a more detailed explanation.http://makeitlouder.com/Decibel%20Level%20Chart.txt
How many decibels is a pigs squeal?
207 decibels.
