Differentiate between audible and inaudible sound.
Describe the various measures to check noise pollution.
Does a sound have to be very loud to be considered as noise?
Explain how the instrument SONAR detects objects.
I've been told that in order to insulate noise coming through a wall, I should cover it with a carpet. Is it true?
Please answer guys!!
Answers
ANSWER
Audible sound is those which we can hear from our ears
and inaudible sound is the sound which a human ear can't be able to hear
for human beings audible sound range is 20hz to 20,000hz
no,a sound have does not to be very loud to be considered as noise,
it is always depends upon our mood
if we want to hear light sound then a heavy sound should become noise for us
in other words, the sound which is not suitable to our mood is to be considered as sound
SONAR stands for navigation and ranging of sound
it is use to detect the depth of seas or any other things inside the sea ,oceans,etc
the SONAR is a instrument use such that it sends the sound wave inside the oceans ,sea, etc and measures the time taken by it to come back
and uses formulae distance=speed×time
and Finds the depth of the sea ocean, etc
yes,toinsulate noise coming through a wall, you should cover it with a carpet so, that the carpet observes the sound and it becomes light