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What is the difference between loudness and intensity.
Important questions of this chapter sound
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 the difference between Echo And Reverberation ?
Why does sound travel faster in Hydrogen than Oxygen?
What r the factors on which the speed of sound depends? Pls ans any1.. experts... quickly..
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 ?
1.what do you understand by 1u or 1amu.
2.why is a bell provided with a big outer case?
why we cannot heard echo in small room?
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.
why are sound waves called mechanical waves?
DIFFERENCE BETWEEN INTENSITY AND LOUDNESS OF SOUND?/
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
The blood pressure in humans is greater at the feet than at the brain. Why?
Explain the working and applications of sonar.
what are uses of infrasonic sound
sounds produced by girls are shrill than that of boys.why?
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
1. A violin and a flute are both played at the same time in an orchestra. Both sounds travel through the same medium and arrive at our ear at the same time. Both sounds travel at the same speed irrespective of source but the sounds we receive are different. What are the characteristics that differentiate the two sounds?
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?
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?
what are the si unit of amplitude,freqency&wavelength
what are the avantages and disadvantages of echo and reverberation?
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 .
list three characteristics of sound waves. state the factors on which each of these characteristics depend...
I want to make a SUPW project please give me some simple ideas.
Why does sound make a light spot dance ?
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?
state the laws of reflection of sound .explain three application based on these laws.
Define echo?Give its two applications.
describe a simple experiment to show that the prongs of a sound producing tuning fork are vibrating?
A piece of wax weighs 18.80 g wt. in air. A piece of metal is found to weigh 17.03 g wt.
in water. It is tied to the wax and both together weigh 15.23 g wt. in water. Find therelative density of wax?
what is an echo? what are the two conditions required to hear an echo?
How rarfractions and compression helps in propagation of sound?
describe an experiment to show that sound cannot pass through vacuum?
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?????????
is reverberation the same as multiple reflections or does echo mean multiple reflecton?
The roof and walls of the auditorium are generally covered with sound absorbent materials like compressed fibreboard or draperies. Why is it so?(
what is the difference between amplitude and intensity
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?
Explain how a human ear works
Why bryophytes and pteridophytes grow in moist and shady places? plzz tel me anyone
The longitudinal waves travel in a coiled spring at a rate of 4m/s. The distance between two consecutive compressions is 20 cm. Find (1)- wavelength of longitudinal wave (2)- frequency of the wave motion.
Name three devices which work on the reflection of sound
What characteristic of a sound wave changes when it propagates from one medium to another?
How will you demonstrate the same?
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?
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
Q1. A person standing between two hills hears the echo in 1 sec. and 2sec . if the speed of sound wave 340m/sec . then find the distance between two hills?
Does the sound of a bomb explosion travel faster than the sound of a humming bee?
Derive the relationship between Wavevelocity, Wavelength and frequency 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
what is the time period of the wave whose frequency is 6KHz?
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?
Explain working of sonar. (theory) in simple language.
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