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What is the difference between loudness and intensity.
Important questions of this chapter sound
Why does sound travel faster in Hydrogen than Oxygen?
what is the difference between Echo And Reverberation ?
(i) 50 sound waves pass through a point in 0.1 s. If the distance between one compression and the subsequent rarefaction is 0.34 m, calculate (a) frequency (b) wavelength (c) wave velocity of the longitudinal wave in air.
(ii) Represent graphically by two separate diagrams in each case.
(a) Two sound waves having the same amplitude but different frequencies.
(b) Two sound waves having the same frequency but different amplitudes.
(c) Two sound waves having different amplitudes and also different wavelengths.
PLEASE ANSWER AS SOON AS U CAN!!!
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 ?
calculate the number of aluminium atoms present in 51g of aluminium oxide Al2o3
why we cannot heard echo in small room?
The minimum distance for echo to be heard is 17.2 m.But is there a maximum distance for echo to be heard?
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.
differentiate between crest and trough with more than 3 points (
what are uses of infrasonic sound
1.what do you understand by 1u or 1amu.
2.why is a bell provided with a big outer case?
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)?
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?
why are the ceilings of concert halls made curved?
A hospital uses ultrasonic scanner to locate tumors ina tissue. what is wavelength of sound in a tissue in which the speed of sound is 1.7 km/s. the operating frequency of the scanner is 4.2 MHZ.
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
1. what are longitudinal waves
what are the avantages and disadvantages of echo and reverberation?
A sound wave has a frequency of 2 kHz and wavelength 35 cm. How long will it take to travel 1.5 km?
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 .
On Pg. 166 of tthe Science NCERT textbook of IX std., there is a question 4 which says " a person... Successive compressions from the source?" I referred to your solutions. But can you please elaborate on the mathematics of it? I mean, how did 1/500 become 0.002 s? Please tell quickly, out exams are due and I will decide whether to continue Meritnation nextt year as well or not. How did you get 1/500 as 0.002 s? What did u multiply 1/500 with to get. 0.002 s? Thank you.
I want to make a SUPW project please give me some simple ideas.
how the ultrasounds help in medical sciences
write all formula's in chapter sound ... and defines...???
What is 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?
help!!!
state the laws of reflection of sound .explain three application based on these laws.
Define echo?Give its two applications.
what is the speed of sound of frequency 10 Hz &wavelength 0.1 m?
list three characteristics of sound waves. state the factors on which each of these characteristics depend...
what is an echo? what are the two conditions required to hear an echo?
Is ultrasound scanner used for ultrasonography technique?
describe an experiment to show that sound cannot pass through vacuum?
how sound are produced
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
will a vibrating source always produce sound
how is echo formed?????????
The roof and walls of the auditorium are generally covered with sound absorbent materials like compressed fibreboard or draperies. Why is it so?(
guyz i need some deep information related to sound and some working for science fair .any helps?????
just give me da structure
Why are sound waves known as mechanical waves?
how speed of sound varies in different medium?????
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 frequency of a wave depends
on what factor does the quality of a sound depend?
GIVE THE GRAPH FOR LOW PITCH AND HIGH PITCH SOUND?
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?
prove by an activity that sound is produce.(tuning fork)
please giveme answer in 2 hours
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
define the terms frequency wvelength and velocity of a sound wave what is the relation between them
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?
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 KIND OF ENERGY TRANSFORMATION TAKES PLACE IN THE FOLLOWING DEVICES
explain how bats use ultrasound to catch the prey
Which wave property determines (a) loudness, (b) pitch?
An object is vibrating 6000 times in one minute if the velocity in air is 360m/s find the frequency and wavelength
please answer as fast as possible I have exam tomorrow
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Syllabus
What is the difference between loudness and intensity.
Important questions of this chapter sound
Why does sound travel faster in Hydrogen than Oxygen?
what is the difference between Echo And Reverberation ?
(i) 50 sound waves pass through a point in 0.1 s. If the distance between one compression and the subsequent rarefaction is 0.34 m, calculate (a) frequency (b) wavelength (c) wave velocity of the longitudinal wave in air.
(ii) Represent graphically by two separate diagrams in each case.
(a) Two sound waves having the same amplitude but different frequencies.
(b) Two sound waves having the same frequency but different amplitudes.
(c) Two sound waves having different amplitudes and also different wavelengths.
PLEASE ANSWER AS SOON AS U CAN!!!
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 ?
calculate the number of aluminium atoms present in 51g of aluminium oxide Al2o3
why we cannot heard echo in small room?
The minimum distance for echo to be heard is 17.2 m.But is there a maximum distance for echo to be heard?
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.
differentiate between crest and trough with more than 3 points (
what are uses of infrasonic sound
1.what do you understand by 1u or 1amu.
2.why is a bell provided with a big outer case?
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)?
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?
why are the ceilings of concert halls made curved?
A hospital uses ultrasonic scanner to locate tumors ina tissue. what is wavelength of sound in a tissue in which the speed of sound is 1.7 km/s. the operating frequency of the scanner is 4.2 MHZ.
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?
But still while drawing diagrams to show wavelength,amplitude,timbre etc.
we show the sound wave as a transverse wave in the diagram ?
why we do that ?
what are the si unit of amplitude,freqency&wavelength
1. what are longitudinal waves
what are the avantages and disadvantages of echo and reverberation?
A sound wave has a frequency of 2 kHz and wavelength 35 cm. How long will it take to travel 1.5 km?
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 .
On Pg. 166 of tthe Science NCERT textbook of IX std., there is a question 4 which says " a person... Successive compressions from the source?" I referred to your solutions. But can you please elaborate on the mathematics of it? I mean, how did 1/500 become 0.002 s? Please tell quickly, out exams are due and I will decide whether to continue Meritnation nextt year as well or not. How did you get 1/500 as 0.002 s? What did u multiply 1/500 with to get. 0.002 s? Thank you.
I want to make a SUPW project please give me some simple ideas.
how the ultrasounds help in medical sciences
write all formula's in chapter sound ... and defines...???
What is 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
a.Loud and soft sound of same frequency.
b.High and low pitch sound of same loudness.
establish the relationship between speed of sound, its wavelength and frequency?
help!!!
(a) Which of the two waves corresponds to high pitched sound?
(b) Name the characteristic of sound the graphs represent.
(c) Define the characteristic.
state the laws of reflection of sound .explain three application based on these laws.
Define echo?Give its two applications.
what is the speed of sound of frequency 10 Hz &wavelength 0.1 m?
list three characteristics of sound waves. state the factors on which each of these characteristics depend...
what is an echo? what are the two conditions required to hear an echo?
Is ultrasound scanner used for ultrasonography technique?
describe an experiment to show that sound cannot pass through vacuum?
how sound are produced
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
will a vibrating source always produce sound
how is echo formed?????????
The roof and walls of the auditorium are generally covered with sound absorbent materials like compressed fibreboard or draperies. Why is it so?(
guyz i need some deep information related to sound and some working for science fair .any helps?????
just give me da structure
Why are sound waves known as mechanical waves?
how speed of sound varies in different medium?????
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 frequency of a wave depends
on what factor does the quality of a sound depend?
GIVE THE GRAPH FOR LOW PITCH AND HIGH PITCH SOUND?
Explain how a human ear works
(a) Tabla (b) Mouthorgan (c) Veena
Name the type of wave produced in each case.
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?
prove by an activity that sound is produce.(tuning fork)
please giveme answer in 2 hours
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
define the terms frequency wvelength and velocity of a sound wave what is the relation between them
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?
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
oocur when you are are riding a bicycle?
WHAT KIND OF ENERGY TRANSFORMATION TAKES PLACE IN THE FOLLOWING DEVICES
explain how bats use ultrasound to catch the prey
Which wave property determines (a) loudness, (b) pitch?
An object is vibrating 6000 times in one minute if the velocity in air is 360m/s find the frequency and wavelength
please answer as fast as possible I have exam tomorrow