the length of a string tied to two rigid support is 40cm maximum length of stationary wave produced on it is

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Q. Length of a string tied to two rigid supports is

40 c m

. Maximum wavelength (in

c m

) of a stationary wave produced on it is

Q. A stationary wave set up on a string have the equation

y = (2 mm) [cos (6.28 m^{- 1}) x cos (ω t)]

. This stationary wave is created by two identical waves, of amplitude

A

each moving in opposite directions along the string. Then,

A string of linear mass density $0.5 g c m^{- 1}$ and a total length $30 c m$ is tied to a fixed wall at one end and to a frictionless ring at the other end. The ring can move on a vertical rod. A wave pulse is produced on the string which moves towards the ring at a speed of $20 c m s^{- 1}$ . The pulse is symmetric about its maximum which is located at a distance of $20 c m$ from the end joined to the ring. Assuming that the wave is reflected from the ends without loss of energy, find the time taken by the string to regain its shape.

Q. A uniform string of length

20 m

is suspended from a rigid support. A short wave pulse is introduced at a lowest end. It starts moving up the string. The time taken to reach the support is: (take

g = 10 m s^{- 2})

Q. A uniform string of length

20 m

is suspended from a rigid support. A short wave pulse is introduced at its lowest end. It starts moving up the string. The time taken to reach the support is (take

g = 10 m s^{- 2}

)

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