Apps-On-Physics/C2/Sound-waves/English - Revision history

Karwanjehimanshi95 at 07:01, 5 June 2020

2020-06-05T07:01:12Z

Karwanjehimanshi95 at 06:59, 5 June 2020

2020-06-05T06:59:26Z

Snehalathak at 10:34, 28 November 2019

2019-11-28T10:34:46Z

Madhurig at 11:35, 27 November 2019

2019-11-27T11:35:46Z

Madhurig at 11:01, 27 November 2019

2019-11-27T11:01:49Z

Karwanjehimanshi95 at 09:16, 27 November 2019

2019-11-27T09:16:03Z

Madhurig at 07:55, 25 November 2019

2019-11-25T07:55:46Z

Karwanjehimanshi95 at 09:05, 22 November 2019

2019-11-22T09:05:04Z

Madhurig at 10:13, 20 November 2019

2019-11-20T10:13:28Z

Madhurig at 08:02, 20 November 2019

2019-11-20T08:02:49Z

@@ Line 586: / Line 586: @@
 |-
-|| '''Slide Number 19'''
+|| '''Slide Number 18'''
 '''Acknowledgement'''
@@ Line 594: / Line 594: @@
 |-
-|| '''Slide Number 20'''
+|| '''Slide Number 19'''
 '''About the Spoken Tutorial project.'''
@@ Line 602: / Line 602: @@
 Please download and watch it.
 |-
-|| '''Slide Number 21'''
+|| '''Slide Number 20'''
 '''Spoken Tutorial workshops.'''
@@ Line 610: / Line 610: @@
 For more details, please write to us.
 |-
-|| '''Slide Number 22'''
+|| '''Slide Number 21'''
 '''Forum for specific questions:'''
@@ Line 625: / Line 625: @@
 || Please post your timed queries on this forum.
 |-
-|| '''Slide Number 23'''
+|| '''Slide Number 22'''
 '''Acknowledgement'''

@@ Line 12: / Line 12: @@
 '''Learning Objectives'''
-|| In this tutorial we will demonstrate,
+|| In this tutorial we will,
 |-
@@ Line 32: / Line 39: @@
 For the pre-requisite tutorials please visit this site.
 |-
 || '''Slide Number 5'''
 '''Learning Goals'''
-|| Using these''' Apps''' we will,
+||Calculate the wavelength and frequency of standing waves.
-* Demonstrate the formation of a standing wave.
-* Explain the formation of '''nodes''' and '''antinodes'''.
-* Demonstrate harmonics of a standing wave.
-−
 |-
 || '''Slide Number 6'''
 Link for '''Apps on physics'''
@@ Line 57: / Line 56: @@
 || Point to the file in the''' Downloads''' folder
 || I have downloaded the '''Apps''' to my '''Downloads''' folder.
 |-
 || Right-click on '''standingwavereflection_en.htm''' file.
@@ Line 569: / Line 577: @@
 Using these '''Apps''' we have,
-* Demonstrated the formation of a standing wave.
+* Formed a standing wave.
-* Explained the formation of '''nodes''' and '''antinodes'''.
-* Demonstrated harmonics of a standing wave.
-|-
+* Formed nodes and antinodes.
-|| '''Slide Number 18'''
-'''Summary'''
+* Viewed various types of harmonics of a standing wave.
-|| Calculated the wavelength and frequency of standing waves.
+* Calculated the wavelength and frequency of standing waves.
 |-

@@ Line 466: / Line 466: @@
 || Let us calculate the wavelength.
-The wavelength of the first overtone wave is three-fourth of the complete wave.
+The wavelength of the first overtone is three-fourth of the complete wave.
 Here the value of n is 3.

@@ Line 601: / Line 601: @@
 '''Spoken Tutorial workshops.'''
-||The '''Spoken Tutorial Project'''team conducts workshops and gives certificates.
+||The '''Spoken Tutorial Project''' team conducts workshops and gives certificates.
 For more details, please write to us.
@@ Line 618: / Line 618: @@
 Someone from our team will answer them.
-|| Please post your timed queries in this forum.
+|| Please post your timed queries on this forum.
 |-
 || '''Slide Number 23'''

@@ Line 22: / Line 22: @@
 || Here I am using,
-*'''Ubuntu Linux''' OS version 16.04
+* '''Ubuntu Linux''' OS version 16.04
-*'''Firefox web browser''' version 62.0.3
+* '''Firefox web browser''' version 62.0.3
 |-
 || '''Slide Number 4'''
 '''Pre-requitsites'''
@@ Line 56: / Line 56: @@
 |-
 || Point to the file in the''' Downloads''' folder
-|| I have downloaded the '''Apps ''' to my '''Downloads''' folder.
+|| I have downloaded the '''Apps''' to my '''Downloads''' folder.
 |-
 || Right-click on '''standingwavereflection_en.htm''' file.
@@ Line 65: / Line 65: @@
 Select the option '''Open with Firefox Web Browser'''.
-'''Standing Wave App '''opens in the '''browser'''.
+'''Standing Wave App''' opens in the '''browser'''.
 |-
 || Point to the radio buttons,
@@ Line 72: / Line 72: @@
 || In the green panel under '''Reflection''' we have two radio buttons.
-*'''from a fixed end ''' and
+* '''from a fixed end ''' and
-*'''from a free end'''.
+* '''from a free end'''.
 |-
 || Point to '''Reflection from a fixed end.'''
@@ Line 93: / Line 93: @@
 || At the bottom of the green panel you can see
-*'''Incidenting wave'''
+* '''Incidenting wave'''
-*'''Reflected wave '''and
+* '''Reflected wave '''and
-*'''Resultant standing wave''' check-boxes.
+* '''Resultant standing wave''' check-boxes.
 |-
 || Point to the check-boxes.
@@ Line 165: / Line 165: @@
 show Constructive and destructive interference of sound waves.
-|| Now click the '''Resume '''button three times to show different superpositions.
+|| Now click the '''Resume''' button three times to show different superpositions.
 |-
 || Click on the Resume button and bring it to Destructive interference.
@@ Line 190: / Line 190: @@
 || This is constructive interference of the waves.
-Here the amplitude of the resulting standing wave.
+This is the amplitude of the resulting standing wave.
 It is the sum of incident and reflected waves.
 |-
@@ Line 199: / Line 199: @@
 '''T by 8''' means 1/8th of the total time period.
 |-
-|| Select '''T/24 '''from the drop down.
+|| Select '''T/24 ''' from the drop down.
 Click on the''' Resume '''button
@@ Line 220: / Line 220: @@
 |-
 || Point to '''N '''and '''A'''.
-|| Here''' N''' is a''' Node''' and '''A '''is an''' Antinode'''.
+|| Here''' N''' is a''' Node''' and '''A''' is an''' Antinode'''.
 |-
 || '''Slide Number 8'''
@@ Line 226: / Line 226: @@
 '''Node and Antinode'''
-*'''Node '''is the point where the particles do not have any motion.
+* '''Node '''is the point where the particles do not have any motion.
-*'''Antinode''' is the point where the particle oscillates with maximum amplitude.
+* '''Antinode''' is the point where the particle oscillates with maximum amplitude.
 || Let us define a '''Node''' and an '''Antinode.'''
@@ Line 339: / Line 339: @@
 |-
 || Point to '''Wavelength''' and '''Frequency'''.
-|| The''' App ''' calculates the '''Wavelength''' and '''Frequency '''based on the length of the tube.
+|| The '''App''' calculates the '''Wavelength''' and '''Frequency '''based on the length of the tube.
 |-
@@ Line 386: / Line 386: @@
 As the particles move towards the center, they get compressed.
-so pressure increases.
+So pressure increases.
 When they move away pressure decreases.
@@ Line 392: / Line 392: @@
 |-
 || Click on '''one side open Form of tube '''radio button.
-|| Under '''Form of tube, '''select '''one side open '''radio button.
+|| Under '''Form of tube''', select '''one side open''' radio button.
 |-
@@ Line 447: / Line 447: @@
 here '''L''' is length of the tube and '''lambda''' is the wavelength.
-‘ '''n'''’ can take values from 1 to n.
+‘'''n'''’ can take values from 1 to n.
 By rearranging the equation we can write this as
@@ Line 555: / Line 555: @@
 '''Assignment'''
-Change the '''Form of tube''' to '''both sides closed '''and''' '''explain the graphs.
+Change the '''Form of tube''' to '''both sides closed ''' and explain the graphs.
 || Another assignment.
-Change the '''form of tube''' to '''both sides closed '''and explain the graphs.
+Change the '''form of tube''' to '''both sides closed ''' and explain the graphs.
 |-

@@ Line 465: / Line 465: @@
 || Let us calculate the wavelength.
-observe that the first overtone wave is three-fourth of the complete wave.
+Observe that the wavelength of the first overtone wave is three-fourth of the complete wave.
 Here the value of n is 3.

@@ Line 154: / Line 154: @@
 Point to '''T/8.'''
-|| Below the '''Single steps''' radio button, a drop down to show various time periods is seen.
+|| Here a drop down to show various time periods is seen.
@@ Line 327: / Line 327: @@
-'''Fundamental vibrational mode''' is the first harmonic followed by the higher harmonics.
+'''Fundamental vibrational mode''' is the first harmonic followed by higher harmonics.
 |-
@@ Line 342: / Line 342: @@
 |-
 || Click on the '''Higher''' button till we get a''' 5<sup>th</sup> overtone'''.
-|| Click the '''Higher '''button continuously to show 5 overtones for the six harmonical vibrations.
+|| Click the '''Higher '''button continuously.
 |-
@@ Line 381: / Line 383: @@
 || In the graph, movement of the pink wave shows the changes in the pressure.
-As the particles move towards the center, they get compressed, so pressure increases.
+As the particles move towards the center, they get compressed.
 When they move away pressure decreases.
@@ Line 459: / Line 463: @@
-|| Now to calculate the wavelength, observe that the first overtone wave is three-fourth of the complete wave.
+|| Let us calculate the wavelength.
 Here the value of n is 3.
@@ Line 499: / Line 505: @@
 |-
 || Point to the value in the '''App'''.
-|| The''' App '''has given the value for speed of sound wave as 343.5 '''metre per second '''at 20 '''degree Celsius'''.
+|| The''' App ''' shows the value of speed of sound wave as 343.5 '''metre per second '''at 20 '''degree Celsius'''.
 |-
 || Cursor to show the wave for which frequency has to be calculated.
@@ Line 521: / Line 527: @@
 '''Tabular Column'''
-|| Let us make a tabular column to show the wavelength and frequency for 6 harmonical modes.
+||Make a tabular column to show the wavelength and frequency for 6 harmonical modes.
 |-
 || Click on''' Higher'''.
@@ Line 531: / Line 537: @@
 Show the tabular column with values
-|| Similarly I have calculated the values of frequency and wavelength using the formula for higher harmonics.
+|| Similarly I have calculated frequency and wavelength for higher harmonics.
 |-
 || '''Slide Number 15'''

@@ Line 190: / Line 190: @@
 || This is constructive interference of the waves.
-Here the amplitude of the resulting standing wave is, sum of both incident and reflected wave.
+Here the amplitude of the resulting standing wave is, sum of both incident and reflected waves.
 |-
 || Continuously click on '''Resume '''button to show the three steps.
@@ Line 204: / Line 204: @@
 point to various superpositions.
-|| Let us select '''T by 24 '''from the drop-down.
+|| Let us select '''T by 24 ''' from the drop-down.
-Click on the''' Resume '''button continuously to see various superpositions.
+Click on the ''' Resume '''button continuously to see various superpositions.
@@ Line 257: / Line 257: @@
 Explain your observation.
 |-
 ||
 || Let us move on to '''Standing longitudinal wave App'''.
 |-
@@ Line 277: / Line 277: @@
 |-
 || Point to the tube.
 Point to the blue points.
@@ Line 339: / Line 338: @@
 |-
 || Point to '''Wavelength''' and '''Frequency'''.
-|| The''' App '''calculates the '''Wavelength''' and '''Frequency '''based on the length of the tube.
+|| The''' App ''' calculates the '''Wavelength''' and '''Frequency '''based on the length of the tube.
 |-
@@ Line 379: / Line 378: @@
 |-
-|| While editing point to graph and the tube.
+|| Point to graph and the tube.
 || In the graph, movement of the pink wave shows the changes in the pressure.
@@ Line 478: / Line 477: @@
 It is measured in '''hertz (Hz)'''.
-'''''f=c/λ'''''
+'''f=c/λ'''
 '''λ''' is wavelength
@@ Line 493: / Line 492: @@
 Frequency is calculated using the formula.
-'''''f=c/λ'''''
+'''f=c/λ'''
 '''λ''' is wavelength and
@@ Line 507: / Line 506: @@
 || Show the picture
-''f=c/λ''
+'''f=c/λ'''
-''<nowiki>=</nowiki>''343.5 / 1.33
+'''<nowiki>=</nowiki>343.5 / 1.33'''
 <nowiki>= </nowiki>258.27 Hz
@@ Line 532: / Line 531: @@
 Show the tabular column with values
-|| Similarly I have calculated the values of frequency and wavelength for higher harmonics.
+|| Similarly I have calculated the values of frequency and wavelength using the formula for higher harmonics.
 |-
 || '''Slide Number 15'''

@@ Line 56: / Line 56: @@
 |-
 || Point to the file in the''' Downloads''' folder
-|| I have downloaded the '''Apps '''to my '''Downloads''' folder.
+|| I have downloaded the '''Apps ''' to my '''Downloads''' folder.
 |-
 || Right-click on '''standingwavereflection_en.htm''' file.
@@ Line 72: / Line 72: @@
 || In the green panel under '''Reflection''' we have two radio buttons.
-*'''from a fixed end '''and
+*'''from a fixed end ''' and
 *'''from a free end'''.
 |-
@@ Line 86: / Line 86: @@
 || Point to the three check-boxes
-'''ncidenting wave'''
+'''Incidenting wave'''
 '''Reflected wave '''and
@@ Line 136: / Line 136: @@
 || Here is the resultant '''standing wave'''.
 |-
-||
+|| Pause the '''App''' when it shows this image.
-−
 Pause the '''App''' when it shows this image.
-−
 || This wave is formed due to the superposition of incident and reflected waves.
@@ Line 185: / Line 182: @@
-It lies between the constructive and destructive superposition.
+It lies between the constructive and destructive superpositions.
 |-
 || Click on '''Resume''' button.
@@ Line 323: / Line 320: @@
 |-
 || Point to the '''Lower''' buttons.
 Point to show the '''fundamental'''.
@@ Line 350: / Line 346: @@
 |-
-|| Click on '''F5''' key.
+|| Press '''F5''' key.
-|| Click on '''F5''' key on the keyboard to reset the '''App'''.
+|| Press '''F5''' key on the keyboard to reset the '''App'''.
 |-
@@ Line 411: / Line 407: @@
 show the picture for which we have to calculate the wavelength.
 || First let us define wavelength.