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Monday, 13 March 2017

Oscillations and waves IV


Phase and phase difference
Phase is the argument of the sine or cosine function representing the wave.

Equation of stationary wave:-

(4) Distance between two successive nodes or antinodes are λ/2 and that between nodes and nearest antinodes is λ/4

(5) Nodes-point of zero displacementAntinodes- point of maximum displacement
A = Antinodes
Mode of vibration of strings:-

Where ,T= Tension
M= mass per unit length
ν = frequency, V=velocity of second, p = 1, 2, 3, …

b) When stretched string vibrates in P loops
c) For string of diameter D and density ρ

d) Law of length

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