Standing Wave in an Open Tube
Difficulty: Easy · Topics: Standing Waves, Sound, Resonance
Ochiq naydagi turg‘un to‘lqin
Air vibrates in a 50 cm tube open at both ends, forming the standing wave shown. What is its frequency? (Speed of sound 340 m/s.)
physics "view":[-0.3,-1.85,5.4,1.3],"alt":"A tube 50 cm long, open at both ends, with a standing wave: antinodes at both ends and one node in the middle.","items":["type":"region","from":[0,-0.8],"to":[5.0,0.8],"fill":" EEF5FD","type":"block","at":[0,0.8],"size":[5.0,0.12],"fill":"wood","type":"block","at":[0,-0.92],"size":[5.0,0.12],"fill":"wood","type":"polyline","points":"sample":"x","from":0,"to":5.0,"n":97,"at":["=x","=1 (0.55 cos(pi x/5)) cos(2 pi tau)"],"width":1.6,"type":"polyline","points":"sample":"x","from":0,"to":5.0,"n":97,"at":["=x","=-1 (0.55 cos(pi x/5)) cos(2 pi tau)"],"width":1.2,"dash":"4 3","type":"dim","from":[0,-1.25],"to":[5.0,-1.25],"label":"50 cm","upright":true,"anchor":"s"],"params":["id":"tau","label":"t","min":0,"max":2,"step":0.01,"value":0,"unit":"T","animate":6]
Ikkala uchi ochiq 50 cm li naydagi havo tebranib, ko‘rsatilgan turg‘un to‘lqinni hosil qiladi. Uning chastotasi nimaga teng? (Tovush tezligi 340 m/s.)
physics "view":[-0.3,-1.85,5.4,1.3],"alt":"A tube 50 cm long, open at both ends, with a standing wave: antinodes at both ends and one node in the middle.","items":["type":"region","from":[0,-0.8],"to":[5.0,0.8],"fill":" EEF5FD","type":"block","at":[0,0.8],"size":[5.0,0.12],"fill":"wood","type":"block","at":[0,-0.92],"size":[5.0,0.12],"fill":"wood","type":"polyline","points":"sample":"x","from":0,"to":5.0,"n":97,"at":["=x","=1 (0.55 cos(pi x/5)) cos(2 pi tau)"],"width":1.6,"type":"polyline","points":"sample":"x","from":0,"to":5.0,"n":97,"at":["=x","=-1 (0.55 cos(pi x/5)) cos(2 pi tau)"],"width":1.2,"dash":"4 3","type":"dim","from":[0,-1.25],"to":[5.0,-1.25],"label":"50 cm","upright":true,"anchor":"s"],"params":["id":"tau","label":"t","min":0,"max":2,"step":0.01,"value":0,"unit":"T","animate":6]