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Stationary waves (Hindi)
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Stationary waves, their formation and theory. Application of stationary waves in vibrations of a closed organ pipe.

Udit Gupta
A Mechanical Engineer from NIT Allahabad here to help learners with physics. Also a Star ⭐ educator.

U
Unacademy user
can anyone plzz tell what are the banks that can issue kcc
Formation of lobes During stationary waves depends on what factors?
Udit Gupta
9 months ago
since nodes are formed by two interfering waves, the properties or characteristics of waves would define the location of nodes.
Hirak Jyoti Sarma
9 months ago
can speed be such a factor.
Hirak Jyoti Sarma
9 months ago
sir do you have any course on electricity.
Stationary wave example???
Udit Gupta
7 months ago
Examples of standing waves include the vibration of a violin string and electron orbitals in an atom.
combine sound and wave motion
Udit Gupta
a year ago
All relevant theory is already here. Get a reference book and sort out the left topics and let me know.
I understood.. thank you
  1. Udit Gupta Ex-VMC Physics Faculty


  2. WELCOME TO THE 5TH LESSON IN WAVES. The sub-topics include: Stationary waves and vibrations in a closed organ pipe. Visit: unacademy.com/plus to register for SPECIAL CLASSES.


  3. STATIONARY WAVES Equation of a stationary wave is given by: Stationary waves are characterised by nodes and y (2Asinkx)coswt antinodes. Nodes are the points for which the amplitude is minimum is maximum.


  4. STATIONARY WAVES In a stationary wave, nodes and antinodes are formed alternately and distance between them is 2/4. At antinodes, displacement and velocity is maximum. At nodes, displacement and velocity is zero. Distance between two consecutive nodes or antinodes is A/2. Distance between a node and adjoining antinode is 2/4.


  5. VIBRATIONS OF A CLOSED ORGAN PIPE In a closed organ pipe, one end is closed and other end is open. In a closed organ pipe, the closed end is always a node while the open end is always an antinode. Fundamental mode or first mode: Fundamental frequency: v1 This is also called first harmonic c is the speed of sound in air.


  6. 3 .4 Second mode: Third mode: v 3v v 5v A3 4L 4L This frequency is called third harmonic or 1st overtone. This frequency is called fifth harmonic or 2nd overtone.


  7. VIBRATIONS OF A CLOSED ORGAN PIPE Only odd harmonics are present. 4L For nth mode, (2n-1) v v(2n-1) , 4L Frequency, Vn- ( 2n- An Where n 1,2,3,... This frequency is called (2n - 1)th harmonic or (n - 1)th OT. This trequency is called 2nIh


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