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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 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?
the loudness of a lions roar is much greater than a birds chirp.what causes the difference in loudness?????
pls answer fast
Explain the principle on which Jaltarang works.
5 differences between loudness and pitch
how is sound produced in mridangam
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 relationship between the loudness and the amplitude of the vibrating body?
What is the difference between Vibration and Oscillation ?
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
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 longitudinal and transverse wave? and is Sound a longitudinal wave?
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
a spoon can sound like a bell prove it
ramesh measured the time gap between lightning and thunder, and found that it is 3 seconds. assuming light covers distance instantly, what is the distance between ramesh and the cloud?
What is amplitude,frequency and time period?
what is amptitude
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?
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.
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
what is the SI unit of vibration ?
name any 7 musical instruments and their vibrating parts
why can you not hear the echo if you stand 10m away from the wall and shout towards it
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.
What is audible and inaudible sounds
any 5 difference between audible and inaudible sound plz do it quick.
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
If we want to hear a train approaching from far away , why it is more convenient to put th ear to the track ?
What is Shrillness or Pitch of a Sound
What are ultrasonic sounds? Write some applications of ultrasonic waves.
how do human beings produce sound
what are two important properties of sound
what are disadvantages of sound pollution
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 to make ektara at home
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.
what is sound ?
define sound .
difference between audible and inaudible sound
explain how noise pollution is harmful to human beings?
what is noise pollution
what is the difference between time period and frequency
If the amplitude is increased by 3 times , by how much does the loudness increase?
time taken to complete one oscillation is called
Which of the following voices is likely to have maximum frequency?
describe an experiment to show that sound can travel through liquids.
why is the roar of lion louder than a bird's chirp
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