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Echo Sound

Echo Sound

Assessment

Presentation

Physics

8th Grade

Hard

Created by

Joseph Anderson

FREE Resource

13 Slides • 0 Questions

1

Sound

The Omnipresent Sense

By Aayush and Shourya

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2

Propagation of Sound

  • Requires a Medium

  • Cannot travel in a Vacuum

  • Speed: Gas < Liquid < Solid

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3

Reverberation or Echoes

Please remove your

ear plucks and,

Listen Properly...

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4

What is Sound?


5

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AMPLITUDE & LOUDNESS

6

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FREQUENCY & PITCH

7

Some Important Formulae:

  •  f=1Tf=\frac{1}{T}  

  •  f=No of OscillationsTime Takenf=\frac{No\ of\ Oscillations}{Time\ Taken}  

  •  T=1fT=\frac{1}{f}  

  •  T=Time TakenNo of OscillationsT=\frac{Time\ Taken}{No\ of\ Oscillations}  

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8

SOME HIGHER ORDER THINKING SKILLS

"The important thing is not to stop questioning" - The guy who found :

 e=mc2e=mc^2  

9

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What is Sound to our ears?

10

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What is sound to inanimate objects?

11

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What is Sound to us?

12

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Can sound be different for others?

13

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Sound

The Omnipresent Sense

By Aayush and Shourya

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