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What is the difference between loudness and intensity.
Important questions of this chapter sound
what is the difference between Echo And Reverberation ?
1.what do you understand by 1u or 1amu.
2.why is a bell provided with a big outer case?
What r the factors on which the speed of sound depends? Pls ans any1.. experts... quickly..
Which of the following is not a characteristic of sound ?
a person is listening to a tone of 500 Hz sitting at a distance of 450m from the source of the sound . What is the time interval between successive compressions from the source ?
why we cannot heard echo in small room?
why would it be futile to attempt to detect sounds from other planets, even given the very best in audio detectors?
why are sound waves called mechanical waves?
DIFFERENCE BETWEEN INTENSITY AND LOUDNESS OF SOUND?/
The blood pressure in humans is greater at the feet than at the brain. Why?
Explain the working and applications of sonar.
on what factor does the quality of sound depend?
what are uses of infrasonic sound
a stone is dropped from the top of a tower 500m high into a pond of water at the base of the tower . when is the splash heard ? g = 10m/s2 and speed of sound = 340m/s
A person has a hearing range from 20Hz to 20KHz. what are the typical wavelength of sound waves in air corresponding to these two frequencies?(Speed of sound =344m/s)?
why are the ceilings of concert halls made curved?
A stone is dropped into a well and its splash is heard at the mouth of the well after an interval of 1.45 s . find the depth of the well. given that the velocity of sound in air is equal to 332 m/s .
why sound wave are called as longitudinal wave?
a sound wave has a frequency of 2KHz and wavelength 35 cm.how long it will take to travel 1.5km?
Why does sound travel faster in Hydrogen than Oxygen?
what are the si unit of amplitude,freqency&wavelength
what are the avantages and disadvantages of echo and reverberation?
1. Sound wave comprises of a series of compressions and rarefactions.
a. What are compressions and rarefactions?
b. In which form of waves-longitudinal or transverse does sound travel?
Can sound travel in vacuum? Why?
A stone is dropped into a well, 44.1 m deep. The sound of the splash is heard 3.13 s after the stone is dropped. Find the velocity os sound in air .
I want to make a SUPW project please give me some simple ideas.
a man stands in between two high raised building & blows a whistle.He hears two successive echos after 0.4s & 1.6s.Calculate the distance between the building.speed of sound is 332m/s.
write all formula's in chapter sound ... and defines...???
reverberation? How can it be reduced?
A solid weighs 50 gf in air and 44 gf in when completely immersed in water. Calculate(i) the upthrust (ii) volume of the solid and (iii) the relative density of the solid
establish the relationship between speed of sound, its wavelength and frequency?
Name the type of energy possessed by a stretched rubber band.
state the laws of reflection of sound .explain three application based on these laws.
Define echo?Give its two applications.
what is the frequency of a sound wave whose time period is 0.05 sec
list three characteristics of sound waves. state the factors on which each of these characteristics depend...
The wavelength of sound emitted by a source is 1.7*10-2 m. Calculate the frequency of sound if the wave velocity is 343.4 m/s wave velocity.
what is an echo? what are the two conditions required to hear an echo?
Why is it that children under the age of 5 can hear sounds upto 25 kHz but adults cannot do so?
describe an experiment to show that sound cannot pass through vacuum?
When a wave travels through a medium ____ .
(A) Particles are transferred from one place to another
(B) Energy is transferred in a periodic manner
(C) Energy is transferred at a constant speed
(D) None of the above statements are applicable
how many vibrations will a tuning fork of frequency 280 hz will complete during the time sound travels forward in air by 18 cm.speed of sound in air be 336 m/sec
how is echo formed?????????
differentiate between crest and trough with more than 3 points (
The roof and walls of the auditorium are generally covered with sound absorbent materials like compressed fibreboard or draperies. Why is it so?(
Why does sound become faint with distance?
Why are sound waves known as mechanical waves?
The frequency of a source of sound is 100 Hz . How many times does it vibrate in a minute?
What are the uses of multiple reflection of sound ?
on what factor does the quality of a sound depend?
A water wave is travelling with the speed of 1.5 m/s. If the distance between the two consecutive compression is 2.5 cm. Calculate the Frequency.
what is a ultrasonic ? HOW IT IS A CIVILISED SOCIETY?
Explain how a human ear works
Why bryophytes and pteridophytes grow in moist and shady places? plzz tel me anyone
Name three devices which work on the reflection of sound
a source of sound produces 20 compressions and 20 rarefractions in 0.2 seconds.the distance between a compression and rarefaction is 50cm . find the wavelength,frequency and time period of the wave.
please do answer it fast cuz tommorow is my finals.
working model for sound as project. can suggest?
What is the meaning of tranverse equivalent of a longitudinal wave?
A man standing between two parallel cliffs and fires a gun and hears two successive echoes after 4 second and 6 second the distance between the cliffs is (Speed of sound 330 ms-1)
(a) 1600 m (b) 1650 cm (c) 1650 m (d)1590 m
A human heart beats 75 times in a minute.Calculate its frequency
Does the sound of a bomb explosion travel faster than the sound of a humming bee?
give one natural phenomenon caused by reflection of sound.
a person standing between two vertical cliffs and 640m away from nearest cliff shouted he heard first echo after 4 sec and second echo 3 sec later. calculate
the time period of a sound wave travelling in a medium is T. if at a given instance (t=o) a particular region in the medium has minimum density. the density of this region will be maximum and minimum respectively again at......t=T and t=2T respectively....true or false
WHAT KIND OF ENERGY TRANSFORMATION TAKES PLACE IN THE FOLLOWING DEVICES
explain how bats use ultrasound to catch the prey
property determines (a) loudness, (b) pitch?
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