If the resultant of two waves having amplitude b is b, then the phase difference between the two

If the resultant of two waves having amplitude b is b, then...

Key Concepts

Phasor Addition

Phasor addition is a method used to add waves, especially sinusoidal ones, by representing them as rotating vectors in the complex plane. This technique simplifies the calculation of the resultant amplitude and phase by turning the addition of sine or cosine functions into vector addition, which uses the cosine law to find the magnitude of the resultant.

Wave Interference

Wave interference occurs when two or more waves superimpose to form a resultant wave. The amplitudes of the individual waves add algebraically, and the degree of constructive or destructive interference depends on their phase differences. This concept is fundamental in understanding various physical phenomena, including sound, light, and water waves.

Phase Difference

Phase difference refers to the offset in phase between two oscillating signals. It is crucial in determining how waves interfere. When waves have a phase difference, their peaks and troughs do not align perfectly, leading to partial or complete cancellation or reinforcement, which affects the resultant amplitude.

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Two sound waves travel in the same direction in a medium. The amplitude of each wave is $A$ and the phase difference between the two waves is $120^{\circ}$. The resultant amplitude will be: (a) $\sqrt{2 A}$ (b) $2 A$ (c) $3 A$ (d) $\bar{A}$

Objective Physics : NEET 2020 Examination textbook Gurukul Oswal

BEHAVIOUR OF PERFECT GAS AND KINETIC THEORY

Waves

If the amplitude of the resultant wave is twice as great as the amplitude of either component wave, and the wave exhibits reinforcement, the component waves must A. Have a different wave length than the resultant wave B. Be in phase with each other C. Have a different frequency than the resultant wave D. Be traveling in the opposite direction of the resultant wave

If two waves are completely out of phase with one another, then which one angle below is a possible phase difference between the two waves? Select one: a. ̴̵̶̷̸̡̢̧̨̛̖̗̘̙̜̝̞̟̠̣̤̥̦̩̪̫̬̭̮̯̰̱̲̳̹̺̻̼͇͈͉͍͎̀́̂̃̄̅̆̇̈̉̊̋̌̍̎̏̐̑̒̓̔̽̾̿̀́͂̓̈́͆͊͋͌̕̚ͅ͏͓͔͕͖͙͚͐͑͒͗͛ͣͤͥͦͧͨͩͪͫͬͭͮͯ͘͜͟͢͝͞͠͡ͰͱͲͳʹ͵Ͷͷ͸͹ͺͻͼͽ;Ϳ΀΁΂΃΄΅Ά·ΈΉΊ΋Ό΍ΎΏΐΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡ΢ΣΤΥΦΧΨΩΪΫάέήίΰαβγδεζηθικλμνξοπρςστυφχψωϊϋόύώϏϐϑϒϓϔϕϖϗϘϙϚϛϜϝϞϟϠϡϢϣϤϥϦϧϨϩϪϫϬϭϮϯϰϱϲϳϴϵ϶ϷϸϹϺϻϼϽϾϿЀЁЂЃЄЅІЇЈЉЊЋЌЍЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюяѐёђѓєѕіїјљњћќѝўџѠѡѢѣѤѥѦѧѨѩѪѫѬѭѮѯѰѱѲѳѴѵѶѷѸѹѺѻѼѽѾѿҀҁ҂҃҄҅҆҇҈҉ҊҋҌҍҎҏҐґҒғҔҕҖҗҘҙҚқҜҝҞҟҠҡҢңҤҥҦҧҨҩҪҫҬҭҮүҰұҲҳҴҵҶҷҸҹҺһҼҽҾҿӀӁӂӃӄӅӆӇӈӉӊӋӌӍӎӏӐӑӒӓӔӕӖӗӘәӚӛӜӝӞӟӠӡӢӣӤӥӦӧӨөӪӫӬӭӮӯӰӱӲӳӴӵӶӷӸӹӺӻӼӽӾӿԀԁԂԃԄԅԆԇԈԉԊԋԌԍԎԏԐԑԒԓԔԕԖԗԘԙԚԛԜԝԞԟԠԡԢԣԤԥԦԧԨԩԪԫԬԭԮԯ԰ԱԲԳԴԵԶԷԸԹԺԻԼԽԾԿՀՁՂՃՄՅՆՇՈՉՊՋՌՍՎՏՐՑՒՓՔՕՖ՗՘ՙ՚՛՜՝՞՟ՠաբգդեզէըթժիլխծկհձղճմյնշոչպջռսվտրցւփքօֆևֈ։֊֋֌֍֎֏֐ְֱֲֳִֵֶַָֹֺֻּֽ֑֖֛֢֣֤֥֦֧֪֚֭֮֒֓֔֕֗֘֙֜֝֞֟֠֡֨֩֫֬֯־ֿ׀ׁׂ׃ׅׄ׆ׇ׈׉׊׋׌׍׎׏אבגדהוזחטיךכלםמןנסעףפץצקרשת׫׬׭׮ׯװױײ׳״׵׶׷׸׹׺׻׼׽׾׿؀؁؂؃؄؅؆؇؈؉؊؋،؍؎؏ؘؙؚؐؑؒؓؔؕؖؗ؛؜؝؞؟ؠءآأؤإئابةتثجحخدذرزسشصضطظعغػؼؽؾؿـفقكلمنهوىيًٌٍَُِّْٕٖٜٟٓٔٗ٘ٙٚٛٝٞ٠١٢٣٤٥٦٧٨٩٪٫٬٭ٮٯٰٱٲٳٴٵٶٷٸٹٺٻټٽپٿڀځڂڃڄڅچڇڈډڊڋڌڍڎڏڐڑڒړڔڕږڗژڙښڛڜڝڞڟڠڡڢڣڤڥڦڧڨکڪګڬڭڮگڰڱڲڳڴڵڶڷڸڹںڻڼڽھڿۀہۂۃۄۅۆۇۈۉۊۋیۍێۏېۑےۓ۔ەۖۗۘۙۚۛۜ۝۞ۣ۟۠ۡۢۤۥۦۧۨ۩۪ۭ۫۬ۮۯ۰۱۲۳۴۵۶۷۸۹ۺۻۼ۽۾ۿ܀܁܂܃܄܅܆܇܈܉܊܋܌܍܎܏ܐܑܒܓܔܕܖܗܘܙܚܛܜܝܞܟܠܡܢܣܤܥܦܧܨܩܪܫܬܭܮܯܱܴܷܸܹܻܼܾ݂݄݆݈ܰܲܳܵܶܺܽܿ݀݁݃݅݇݉݊݋݌ݍݎݏݐݑݒݓݔݕݖݗݘݙݚݛݜݝݞݟݠݡݢݣݤݥݦݧݨݩݪݫݬݭݮݯݰݱݲݳݴݵݶݷݸݹݺݻݼݽݾݿހށނރބޅކއވމފދތލގޏސޑޒޓޔޕޖޗޘޙޚޛޜޝޞޟޠޡޢޣޤޥަާިީުޫެޭޮޯްޱ޲޳޴޵޶޷޸޹޺޻޼޽޾޿߀߁߂߃߄߅߆߇߈߉ߊߋߌߍߎߏߐߑߒߓߔߕߖߗߘߙߚߛߜߝߞߟߠߡߢߣߤߥߦߧߨߩߪ߲߫߬߭߮߯߰߱߳ߴߵ߶߷߸߹ߺ߻߼߽߾߿ࠀࠁࠂࠃࠄࠅࠆࠇࠈࠉࠊࠋࠌࠍࠎࠏࠐࠑࠒࠓࠔࠕࠖࠗ࠘࠙ࠚࠛࠜࠝࠞࠟࠠࠡࠢࠣࠤࠥࠦࠧࠨࠩࠪࠫࠬ࠭࠮࠯࠰࠱࠲࠳࠴࠵࠶࠷࠸࠹࠺࠻࠼࠽࠾࠿ࡀࡁࡂࡃࡄࡅࡆࡇࡈࡉࡊࡋࡌࡍࡎࡏࡐࡑࡒࡓࡔࡕࡖࡗࡘ࡙࡚࡛࡜࡝࡞࡟ࡠࡡࡢࡣࡤࡥࡦࡧࡨࡩࡪ࡫࡬࡭࡮࡯ࡰࡱࡲࡳࡴࡵࡶࡷࡸࡹࡺࡻࡼࡽࡾࡿࢀࢁࢂࢃࢄࢅࢆࢇ࢈ࢉࢊࢋࢌࢍࢎ࢏࢐࢑࢒࢓࢔࢕࢖࢙࢚࢛ࢗ࢘࢜࢝࢞࢟ࢠࢡࢢࢣࢤࢥࢦࢧࢨࢩࢪࢫࢬࢭࢮࢯࢰࢱࢲࢳࢴࢵࢶࢷࢸࢹࢺࢻࢼࢽࢾࢿࣀࣁࣂࣃࣄࣅࣆࣇࣈࣉ࣏࣐࣑࣒࣓࣊࣋࣌࣍࣎ࣔࣕࣖࣗࣘࣙࣚࣛࣜࣝࣞࣟ࣠࣡࣢ࣰࣱࣲࣣࣦࣩ࣭࣮࣯ࣤࣥࣧࣨ࣪࣫࣬опрстуфхцчшщъыьэюяѐёђѓєѕіїјљњћќѝўџѠѡѢѣѤѥѦѧѨѩѪѫѬѭѮѯѰѱѲѳѴѵѶѷѸѹѺѻѼѽѾѿҀҁ҂҃҄҅҆҇҈҉ҊҋҌҍҎҏҐґҒғҔҕҖҗҘҙҚқҜҝҞҟҠҡҢңҤҥҦҧҨҩҪҫҬҭҮүҰұҲҳҴҵҶҷҸҹҺһҼҽҾҿӀӁӂӃӄӅӆӇӈӉӊӋӌӍӎӏӐӑӒӓӔӕӖӗӘәӚӛӜӝӞӟӠӡӢӣӤӥӦӧӨөӪӫӬӭӮӯӰӱӲӳӴӵӶӷӸӹӺӻӼӽӾӿԀԁԂԃԄԅԆԇԈԉԊԋԌԍԎԏԐԑԒԓԔԕԖԗԘԙԚԛԜԝԞԟԠԡԢԣԤԥԦԧԨԩԪԫԬԭԮԯ԰ԱԲԳԴԵԶԷԸԹԺԻԼԽԾԿՀՁՂՃՄՅՆՇՈՉՊՋՌՍՎՏՐՑՒՓՔՕՖ՗՘ՙ՚՛՜՝՞՟ՠաբգդեզէըթժիլխծկհձղճմյնշոչպջռսվտրցւփքօֆևֈ։֊֋֌֍֎֏֐ְֱֲֳִֵֶַָֹֺֻּֽ֑֖֛֢֣֤֥֦֧֪֚֭֮֒֓֔֕֗֘֙֜֝֞֟֠֡֨֩֫֬֯־ֿ׀ׁׂ׃ׅׄ׆ׇ׈׉׊׋׌׍׎׏אבגדהוזחטיךכלםמןנסעףפץצקרשת׫׬׭׮ׯװױײ׳״׵׶׷׸׹׺׻׼׽׾׿؀؁؂؃؄؅؆؇؈؉؊؋،؍؎؏ؘؙؚؐؑؒؓؔؕؖؗ؛؜؝؞؟ؠءآأؤإئابةتثجحخدذرزسشصضطظعغػؼؽؾؿـفقكلمنهوىيًٌٍَُِّْٕٖٜٟٓٔٗ٘ٙٚٛٝٞ٠١٢٣٤٥٦٧٨٩٪٫٬٭ٮٯٰٱٲٳٴٵٶٷٸٹٺٻټٽپٿڀځڂڃڄڅچڇڈډڊڋڌڍڎڏڐڑڒړڔڕږڗژڙښڛڜڝڞڟڠڡڢڣڤڥڦڧڨکڪګڬڭڮگڰڱڲڳڴڵڶڷڸڹںڻڼڽھڿۀہۂۃۄۅۆۇۈۉۊۋیۍێۏېۑےۓ۔ەۖۗۘۙۚۛۜ۝۞ۣ۟۠ۡۢۤۥۦۧۨ۩۪ۭ۫۬ۮۯ۰۱۲۳۴۵۶۷۸۹ۺۻۼ۽۾ۿ܀܁܂܃܄܅܆܇܈܉܊܋܌܍܎܏ܐܑܒܓܔܕܖܗܘܙܚܛܜܝܞܟܠܡܢܣܤܥܦܧܨܩܪܫܬܭܮܯܱܴܷܸܹܻܼܾ݂݄݆݈ܰܲܳܵܶܺܽܿ݀݁݃݅݇݉݊݋݌ݍݎݏݐݑݒݓݔݕݖݗݘݙݚݛݜݝݞݟݠݡݢݣݤݥݦݧݨݩݪݫݬݭݮݯݰݱݲݳݴݵݶݷݸݹݺݻݼݽݾݿހށނރބޅކއވމފދތލގޏސޑޒޓޔޕޖޗޘޙޚޛޜޝޞޟޠޡޢޣޤޥަާިީުޫެޭޮޯްޱ޲޳޴޵޶޷޸޹޺޻޼޽޾޿߀߁߂߃߄߅߆߇߈߉ߊߋߌߍߎߏߐߑߒߓߔߕߖߗߘߙߚߛߜߝߞߟߠߡߢߣߤߥߦߧߨߩߪ߲߫߬߭߮߯߰߱߳ߴߵ߶߷߸߹ߺ߻߼߽߾߿ࠀࠁࠂࠃࠄࠅࠆࠇࠈࠉࠊࠋࠌࠍࠎࠏࠐࠑࠒࠓࠔࠕࠖࠗ࠘࠙ࠚࠛࠜࠝࠞࠟࠠࠡࠢࠣࠤࠥࠦࠧࠨࠩࠪࠫࠬ࠭࠮࠯࠰࠱࠲࠳࠴࠵࠶࠷࠸࠹࠺࠻࠼࠽࠾࠿ࡀࡁࡂࡃࡄࡅࡆࡇࡈࡉࡊࡋࡌࡍࡎࡏࡐࡑࡒࡓࡔࡕࡖࡗࡘ࡙࡚࡛࡜࡝࡞࡟ࡠࡡࡢࡣࡤࡥࡦࡧࡨࡩࡪ࡫࡬࡭࡮࡯ࡰࡱࡲࡳࡴࡵࡶࡷࡸࡹࡺࡻࡼࡽࡾࡿࢀࢁࢂࢃࢄࢅࢆࢇ࢈ࢉࢊࢋࢌࢍࢎ࢏࢐࢑࢒࢓мнопрстуфхцчшщъыьэюяѐёђѓєѕіїјљњћќѝўџѠѡѢѣѤѥѦѧѨѩѪѫѬѭѮѯѰѱѲѳѴѵѶѷѸѹѺѻѼѽѾѿҀҁ҂҃҄҅҆҇҈҉ҊҋҌҍҎҏҐґҒғҔҕҖҗҘҙҚқҜҝҞҟҠҡҢңҤҥҦҧҨҩҪҫҬҭҮүҰұҲҳҴҵҶҷҸҹҺһҼҽҾҿӀӁӂӃӄӅӆӇӈӉӊӋӌӍӎӏӐӑӒӓӔӕӖӗӘәӚӛӜӝӞӟӠӡӢӣӤӥӦӧӨөӪӫӬӭӮӯӰӱӲӳӴӵӶӷӸӹӺӻӼӽӾӿԀԁԂԃԄԅԆԇԈԉԊԋԌԍԎԏԐԑԒԓԔԕԖԗԘԙԚԛԜԝԞԟԠԡԢԣԤԥԦԧԨԩԪԫԬԭԮԯ԰ԱԲԳԴԵԶԷԸԹԺԻԼԽԾԿՀՁՂՃՄՅՆՇՈՉՊՋՌՍՎՏՐՑՒՓՔՕՖ՗՘ՙ՚՛՜՝՞՟ՠաբգդեզէըթժիլխծկհձղճմյնշոչպջռսվտրցւփքօֆևֈ։֊֋֌֍֎֏֐ְֱֲֳִֵֶַָֹֺֻּֽ֑֖֛֢֣֤֥֦֧֪֚֭֮֒֓֔֕֗֘֙֜֝֞֟֠֡֨֩֫֬֯־ֿ׀ׁׂ׃ׅׄ׆ׇ׈׉׊׋׌׍׎׏אבגדהוזחטיךכלםמןנסעףפץצקרשת׫׬׭׮ׯװױײ׳״׵׶׷׸׹׺׻׼׽׾׿؀؁؂؃؄؅؆؇؈؉؊؋،؍؎؏ؘؙؚؐؑؒؓؔؕؖؗ؛؜؝؞؟ؠءآأؤإئابةتثجحخدذرزسشصضطظعغػؼؽؾؿـفقكلمنهوىيًٌٍَُِّْٕٖٜٟٓٔٗ٘ٙٚٛٝٞ٠١٢٣٤٥٦٧٨٩٪٫٬٭ٮٯٰٱٲٳٴٵٶٷٸٹٺٻټٽپٿڀځڂڃڄڅچڇڈډڊڋڌڍڎڏڐڑڒړڔڕږڗژڙښڛڜڝڞڟڠڡڢڣڤڥڦڧڨکڪګڬڭڮگڰڱڲڳڴڵڶڷڸڹںڻڼڽھڿۀہۂۃۄۅۆۇۈۉۊۋیۍێۏېۑےۓ۔ەۖۗۘۙۚۛۜ۝۞ۣ۟۠ۡۢۤۥۦۧۨ۩۪ۭ۫۬ۮۯ۰۱۲۳۴۵۶۷۸۹ۺۻۼ۽۾ۿ܀܁܂܃܄܅܆܇܈܉܊܋܌܍܎܏ܐܑܒܓܔܕܖܗܘܙܚܛܜܝܞܟܠܡܢܣܤܥܦܧܨܩܪܫܬܭܮܯܱܴܷܸܹܻܼܾ݂݄݆݈ܰܲܳܵܶܺܽܿ݀݁݃݅݇݉݊݋݌ݍݎݏݐݑݒݓݔݕݖݗݘݙݚݛݜݝݞݟݠݡݢݣݤݥݦݧݨݩݪݫݬݭݮݯݰݱݲݳݴݵݶݷݸݹݺݻݼݽݾݿހށނރބޅކއވމފދތލގޏސޑޒޓޔޕޖޗޘޙޚޛޜޝޞޟޠޡޢޣޤޥަާިީުޫެޭޮޯްޱ޲޳޴޵޶޷޸޹޺޻޼޽޾޿߀߁߂߃߄߅߆߇߈߉ߊߋߌߍߎߏߐߑߒߓߔߕߖߗߘߙߚߛߜߝߞߟߠߡߢߣߤߥߦߧߨߩߪ߲߫߬߭߮߯߰߱߳ߴߵ߶߷߸߹ߺ߻߼߽߾߿ࠀࠁࠂࠃࠄࠅࠆࠇࠈࠉࠊࠋࠌࠍࠎࠏࠐࠑࠒࠓࠔࠕࠖࠗ࠘࠙ࠚࠛࠜࠝࠞࠟࠠࠡࠢࠣࠤࠥࠦࠧࠨࠩࠪࠫࠬ࠭࠮࠯࠰࠱࠲࠳࠴࠵࠶࠷࠸࠹࠺࠻࠼࠽࠾࠿ࡀࡁࡂࡃࡄࡅࡆࡇࡈࡉࡊࡋࡌࡍࡎࡏࡐࡑࡒࡓࡔࡕࡖࡗࡘ࡙࡚࡛࡜࡝࡞࡟ࡠࡡࡢࡣࡤࡥࡦࡧࡨࡩࡪ࡫࡬࡭࡮࡯ࡰࡱࡲࡳࡴࡵࡶࡷࡸࡹࡺࡻࡼࡽࡾࡿࢀࢁࢂࢃࢄࢅࢆࢇ࢈ࢉࢊࢋࢌࢍࢎ࢏࢐࢑࢒࢓мнопрстуфхцчшщъыьэюяѐёђѓєѕіїјљњћќѝўџѠѡѢѣѤѥѦѧѨѩѪѫѬѭѮѯѰѱѲѳѴѵѶѷѸѹѺѻѼѽѾѿҀҁ҂҃҄҅҆҇҈҉ҊҋҌҍҎҏҐґҒғҔҕҖҗҘҙҚқҜҝҞҟҠҡҢңҤҥҦҧҨҩҪҫҬҭҮүҰұҲҳҴҵҶҷҸҹҺһҼҽҾҿӀӁӂӃӄӅӆӇӈӉӊӋӌӍӎӏӐӑӒӓӔӕӖӗӘәӚӛӜӝӞӟӠӡӢӣӤӥӦӧӨөӪӫӬӭӮӯӰӱӲӳӴӵӶӷӸӹӺӻӼӽӾӿԀԁԂԃԄԅԆԇԈԉԊԋԌԍԎԏԐԑԒԓԔԕԖԗԘԙԚԛԜԝԞԟԠԡԢԣԤԥԦԧԨԩԪԫԬԭԮԯ԰ԱԲԳԴԵԶԷԸԹԺԻԼԽԾԿՀՁՂՃՄՅՆՇՈՉՊՋՌՍՎՏՐՑՒՓՔՕՖ՗՘ՙ՚՛՜՝՞՟ՠաբգդեզէըթժիլխծկհձղճմյնշոչպջռսվտրցւփքօֆևֈ։֊֋֌֍֎֏֐ְֱֲֳִֵֶַָֹֺֻּֽ֑֖֛֢֣֤֥֦֧֪֚֭֮֒֓֔֕֗֘֙֜֝֞֟֠֡֨֩֫֬֯־ֿ׀ׁׂ׃ׅׄ׆ׇ׈׉׊׋׌׍׎׏אבגדהוזחטיךכלםמןנסעףפץצקרשת׫׬׭׮ׯװױײ׳״׵׶׷׸׹׺׻׼׽׾׿؀؁؂؃؄؅؆؇؈؉؊؋،؍؎؏ؘؙؚؐؑؒؓؔؕؖؗ؛؜؝؞؟ؠءآأؤإئابةتثجحخدذرزسشصضطظعغػؼؽؾؿـفقكلمنهوىيًٌٍَُِّْٕٖٜٟٓٔٗ٘ٙٚٛٝٞ٠١٢٣٤٥٦٧٨٩٪٫٬٭ٮٯٰٱٲٳٴٵٶٷٸٹٺٻټٽپٿڀځڂڃڄڅچڇڈډڊڋڌڍڎڏڐڑڒړڔڕږڗژڙښڛڜڝڞڟڠڡڢڣڤڥڦڧڨکڪګڬڭڮگڰڱڲڳڴڵڶڷڸڹںڻڼڽھڿۀہۂۃۄۅۆۇۈۉۊۋیۍێۏېۑےۓ۔ەۖۗۘۙۚۛۜ۝۞ۣ۟۠ۡۢۤۥۦۧۨ۩۪ۭ۫۬ۮۯ۰۱۲۳۴۵۶۷۸۹ۺۻۼ۽۾ۿ܀܁܂܃܄܅܆܇܈܉܊܋܌܍܎܏ܐܑܒܓܔܕܖܗܘܙܚܛܜܝܞܟܠܡܢܣܤܥܦܧܨܩܪܫܬܭܮܯܱܴܷܸܹܻܼܾ݂݄݆݈ܰܲܳܵܶܺܽܿ݀݁݃݅݇݉݊݋݌ݍݎݏݐݑݒݓݔݕݖݗݘݙݚݛݜݝݞݟݠݡݢݣݤݥݦݧݨݩݪݫݬݭݮݯݰݱݲݳݴݵݶݷݸݹݺݻݼݽݾݿހށނރބޅކއވމފދތލގޏސޑޒޓޔޕޖޗޘޙޚޛޜޝޞޟޠޡޢޣޤޥަާިީުޫެޭޮޯްޱ޲޳޴޵޶޷޸޹޺޻޼޽޾޿߀߁߂߃߄߅߆߇߈߉ߊߋߌߍߎߏߐߑߒߓߔߕߖߗߘߙߚߛߜߝߞߟߠߡߢߣߤߥߦߧߨߩߪ߲߫߬߭߮߯߰߱߳ߴߵ߶߷߸߹ߺ߻߼߽߾߿ࠀࠁࠂࠃࠄࠅࠆࠇࠈࠉࠊࠋࠌࠍࠎࠏࠐࠑࠒࠓࠔࠕࠖࠗ࠘࠙ࠚࠛࠜࠝࠞࠟࠠࠡࠢࠣࠤࠥࠦࠧࠨࠩࠪࠫࠬ࠭࠮࠯࠰࠱࠲࠳࠴࠵࠶࠷࠸࠹࠺࠻࠼࠽࠾࠿ࡀࡁࡂࡃࡄࡅࡆࡇࡈࡉࡊࡋࡌࡍࡎࡏࡐࡑࡒࡓࡔࡕࡖࡗࡘ࡙࡚࡛࡜࡝࡞࡟ࡠࡡࡢࡣࡤࡥࡦࡧࡨࡩࡪ࡫࡬࡭࡮࡯ࡰࡱࡲࡳࡴࡵࡶࡷࡸࡹࡺࡻࡼࡽࡾࡿࢀࢁࢂࢃࢄࢅࢆࢇ࢈ࢉࢊࢋࢌࢍࢎ࢏࢐࢑࢒࢓π b. 0 c. 2π d. -2π

Transcript

00:01 In this question we will learn about some basic concept of the oscillation and waves, right? the question is, if the resultant of two waves having amplitude b is b, we have to find the phase difference between the two waves, right? so let's say a is the amplitude of the resultant wave which is formed by the two whales which are having.

00:28 The amplitude says a1 and a2.

00:33 In that case, we know that the formula is a2 square equals to a1 square plus a2 plus a2 cost theta.

00:47 Here, theta is the phase difference between the two waves...

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