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A pulse is generated at lower end to a...

A pulse is generated at lower end to a hanging rope of uniform density and length L. The speed of the pulse when it reaches the mid point of rope is

A

`sqrt(2gL)`

B

`sqrt(gL)`

C

`sqrt((gL)/(2))`

D

`(sqrt(gL))/(2)`

Text Solution

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The correct Answer is:
C
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AAKASH INSTITUTE ENGLISH-WAVES-ASSIGNMENT ( SECTION-A ( Objective type Questions ))
  1. In a stretched string.

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  2. Two strings of same material are stretched to the same tension . If ...

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  3. A pulse is generated at lower end to a hanging rope of uniform den...

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  4. Which of the following equations represent a transverse wave travelli...

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  5. A wave is represented by x=4 cos (8t-(y)/(2)) , wher x and y are in me...

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  6. A wave is represented by the equation y= A sin ( 10 pi x + 15 pi t ...

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  7. A travelling wave in a string is represented by y=3 sin ((pi)/(2)t -...

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  8. A transverse wave is described by the equation y=A sin 2pi( nt- x//l...

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  9. The relation between the particles velocity and wave velocity is -

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  10. In sine wave , minimum distance between 2 particles always having same...

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  11. The sound level at a point 5.0 m away from a point source is 40 dB. Wh...

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  12. The tones that are separated by three octaves have a frequency ratio...

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  13. On the superposition of the two waves given as y1=A0 sin( omegat-kx) ...

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  14. Two waves of amplitude A0 and xA0 pass through a region . If x gt 1...

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  15. Which of the following represents a standing wave ?

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  16. The equation of stationary wave along a stretched string is given by y...

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  17. In a stationary wave

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  18. Select the correct statement about the reflection and refraction of a...

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  19. In a standing wave particles at the positions A and B, have a phase di...

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  20. A 12 m long vibrating string has the speed of wave 48 m/s . To what ...

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