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1 hz = how many decibels?
what is the relationship between frequency and time period
give 15 musical instruments with their names and their vibrating parts?
give 4 advantages and disadvantages of loudspeakers?
what is the name given to sound produced by irregular vibrations?
What is the difference between Noise and Music?
some steps to reduce noise pollution?
State true or false
1.Sound can be produced by beating an object irrespective of whether there are vibrations or not.
2.The sound of a tabala normally has a lower pitch than the sound of a violin.
3.A short flute will produce sound of lower pitch than a long flute.
a spoon can sound like a bell. No, this is not riddle. it's science. prove it?
Explain the principle on which Jaltarang works.
5 differences between loudness and pitch
Why the voice of men, women and children are different?
write a short note on noise pollution and i need it fast please
What is the difference between Vibration and Oscillation ?
if sound is produced more than 20,000 Hz will it damage the ear drum?
How do loudness and pitch of sound depend on amplitude and frequency respectively?
1. In which medium speed of sound is maximum an din which minimum ?
2. A pendulum makes 16 oscillations in 2 seconds . What is the frequency of the pendulum ?
describe briefly an experiment to prove the first law,second law and third law of simple pendulum
what are the vibrating part of following objects
a.harmonium b.tabla c.flute d. guitar e.ghatam f.manjira g.noot h.kartal i.sitar j.striking a pan
Which parts of jal tarang vibrates
What are longitudinal and transverse wave? and is Sound a longitudinal wave?
which characteristic of a vibrating body determines the-
(b)Pitch of the sound produced by it?
a spoon can sound like a bell prove it
What is amplitude,frequency and time period?
what is amptitude
how do whales and dolphins communicate under water?
Which of the following voices is likely to have minimum frequency.
(a) A man (b) A baby girl (c) A baby boy (d) A woman
identify the sources of noise pollution in your locality. Discuss with your parents, friends and neighbours. Suggest how to control noise pollution. Prepare a brief report and present it in the class.
how is frequency of sound varied in string, wind and percussion instruments?
suppose you are going in a jet plane,and one of the windows breaks due to an accident.what problems do you think you will face?
Que - the sound produced by a tuning fork has no harmonics . true or false . also explain why ?
name any 7 musical instruments and their vibrating parts
what is the SI unit of vibration ?
compare the transmission of sound in solids , liquids and gases?
give two uses of ultrasonic vibrations in industry .
How can you say that sound is a form of energy? Explain with examples.
list sources of noise pollution?????
any 5 difference between audible and inaudible sound plz do it quick.
if rubber band streched ________ sound produced.
1) low pitch 2) high pitch 3) some times low and high pitch 4) none of these
What is audible and inaudible sounds
A concave board which is placed behind the speaker in large halls or auditoriums is called
a) sound board b) sound catcher c) sound reflector d) sound box
an explosion occurs on the moon.will it be
b)heard on the earth instantly or after sometime?
In the game of hide and seek how the blind folded person guess ho is the nearest person to him
There ane many types of absorber in our day 2 day life,can't there be any artificial sound absorber which could be fitted anywhere.
If we want to hear a train approaching from far away , why it is more convenient to put th ear to the track ?
on which principle is the indian musical instrument 'jal tarang' based ???
somebody answer fast ... i have my exam 2morrow...
how do human beings produce sound
What are ultrasonic sounds? Write some applications of ultrasonic waves.
what are two important properties of sound
1 give reasons
A) Cinema halls and auditoriums are carpeted and their walls are coated with rough material
b) Echoes are not formed in our classrooms
Write an activity to prove that sound needs a medium for propogation .
I searched it on the study material but realistic activities are needed inculing
2) Materials Required
4) Observation / Conclusion
Thanks in adance and don't forget to wish me 'All The Best' for the exam . Tomorrow it will take place .
What are the functions of Malleus, Incus and Stapes; the bones in the inner ear?
what are disadvantages of sound pollution
If a pendulum takes 0.04 seconds to complete one oscillation, what is its FREQUENCY?
How to make ektara at home
Why do our steps do not produce loud sound if we walk on carpet floor?
what is sound ?
define sound .
Why would we not be able To Communicate Directly On Moon Surface.
difference between audible and inaudible sound
only noise produces noise pollution.do u agree?give reasons.
explain how noise pollution is harmful to human beings?
what is noise pollution
what is the difference between time period and frequency
describe an experiment to show that sound can travel through liquids.
If the amplitude is increased by 3 times , by how much does the loudness increase?
time taken to complete one oscillation is called
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