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The figure shows the snapshot of a trave...


The figure shows the snapshot of a travelling sine wave in a string. Four elemental portions a,b,c and d are indicated on the string. The elemental portion with maximum potential energy is/are

A

`a`

B

`b`

C

`c`

D

b and d

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A
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In travelling transverse wave in string for a small element

The figure shows a transverse wave travelling in a string in negative x-axis direction. Three points A, B and C are indicated on the string at the instant shown The correct statement(s) is/are.

The figure shows the y – x graph at an instant for a small amplitude transverse wave travelling on a stretched string. Three elements (1, 2 and 3) on the string have equal original lengths (= Deltax) . At the given instant- (i) which element (among 1, 2 and 3) has largest kinetic energy? (ii) which element has largest energy (i.e., sum of its kinetic and elastic potential energy) (iii) Prove that energy per unit length (DeltaE)/(Deltax) of the string is constant everywhere equal to T((del y)/(del x))^(2) where T is tension the string.

The figure shows the snapshot at time t = 0 of a transverse pulse travelling on a string in positive x direction. (a) Sketch the pulse at a slightly later time. (b) With the help of the given sketch draw a graph of velocity of each string segment versus position. Take upward direction as positive.

Statement-1 : Standing wave of small amplitude is generated on a string. The kinetic energy of any small section of string will be same as its potential energy. Statement-2 : A standing wave can be written as superposition of two travelling waes. For a wave of small amplitude travelling on string, kinetic energy of any string element is equal to its potential energy at any instant.

Assertion: In a sinusoidal travelling wave on a string ,potential energy of deformation of string element at exterme position is maximum Reason: The particles in sinusoidal travelling wave perform SHM

Asserton: y-x graph of a transverse wave on a string is as shown in figuer. At potential energy and kinetic energy both are minimum. Reason : At point B kinetic energy and ptential energy both are maximum.

The electronic configuration of four elements A, B, C and D are:

AAKASH INSTITUTE-WAVES-Assignment (Section-B)
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  4. The string of a violin emits a note of 205 Hz when its tension is corr...

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  9. The figure shows the snapshot of a travelling sine wave in a string. F...

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  10. A wave moves with a certain speed in a stretched string. The percentag...

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  11. The ratio of intensities of two waves is 2. the ratio of intensities o...

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  12. n identical coherent waves each with the same initial phase arrive at ...

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  13. What is the phase difference between particles being on either side of...

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  14. The amplitude of a wave represented by the equation y=3sin(5x-0.5t)+4c...

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  15. The difference between the frequencies of the third and fifth harmonic...

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  16. A source of sound of frequency f1 is placed on the ground. A detector ...

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  20. In standing waves, select incorrect

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