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A uniform string of length 20 m is suspended from a rigid support
PHYSICS · Single correct · CBSE · Physics · Waves · Waves
Problem
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 supports is : (take
g
=
10
ms
−
2
g = 10 \text{ ms}^{-2}
g
=
10
ms
−
2
) (1)
2
2
2\sqrt{2}
2
2
s (2)
2
\sqrt{2}
2
s (3)
2
π
2
2\pi\sqrt{2}
2
π
2
s (4) 2 s
Related theory
Wave Speed
Vibrations of stretched strings
Speed of a transverse wave on a stretched string
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