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1 hz = how many decibels?
What is the relationship between the loudness and the amplitude of the vibrating body?
what is the relationship between frequency and time period
Which of the following voices is likely to have maximum frequency?
give 15 musical instruments with their names and their vibrating parts?
give 4 advantages and disadvantages of loudspeakers?
What is the difference between Noise and Music?
some steps to reduce noise pollution?
a spoon can sound like a bell. No, this is not riddle. it's science. prove it?
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.
Explain the principle on which Jaltarang works.
5 differences between loudness and pitch
Why the voice of men, women and children are different?
if rubber band streched ________ sound produced.
1) low pitch 2) high pitch 3) some times low and high pitch 4) none of these
write a short note on noise pollution and i need it fast please
which characteristic of a vibrating body determines the-
(b)Pitch of the sound produced by it?
What is the difference between Vibration and Oscillation ?
if the thickness of vibrating string is increased,its pitch-------------
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 ?
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
What are longitudinal and transverse wave? and is Sound a longitudinal wave?
a spoon can sound like a bell prove it
What is amplitude,frequency and time period?
If an object oscillates 20 times in 1 second , what would be its frequency ?
what is amptitude
1. How is the frequency of a vibrating obect ? How is it related to shrillness of sound ?
2. Ramesh measured the time gap between lightning and thunder, and found that it was 3 seconds. Assuming light covers the distance instantly, what is the distance of the clouds from Ramesh.
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.
name the instrument which is used to produce sound of certain fixed frequency?
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?
The amplitude of the sound wave decides on its _________.
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.
Sound travels through air by means of ____________ (compression/depression) and __________ (rarefactions/refractions).
any 5 difference between audible and inaudible sound plz do it quick.
What is audible and inaudible sounds
an explosion occurs on the moon.will it be
b)heard on the earth instantly or after sometime?
What will be the difference in the sound if the vocal cords are thick, tight, thin or loose?
In the game of hide and seek how the blind folded person guess ho is the nearest person to him
If we want to hear a train approaching from far away , why it is more convenient to put th ear to the track ?
A car driver took a total of 2 hours to make a journey of 75 km. He had a coffee break of half an hour and spent a quarter of an hour stationery in a traffic jam. What was his average speed during the journey ?
how do human beings produce sound
The harder we beat a table,the louder is the sound.List two reasons for it.
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 .
how do whales and dolphins communicate under water?
what are disadvantages of sound pollution
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
How to make ektara at home
what is sound ?
define sound .
why do we not hear the supersonic jets when they approach us, but hear a sudden boom when they have gone away?
difference between audible and inaudible sound
explain how noise pollution is harmful to human beings?
what is noise pollution
Que - the sound produced by a tuning fork has no harmonics . true or false . also explain why ?
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?
Why don't we hear sound of exploding meteors in sky
the loudness of a lions roar is much greater than a birds chirp.what causes the difference in loudness?????
pls answer fast
time taken to complete one oscillation is called
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