One end of a horizontal string is fixed to a wall. A transverse wave pulse in th

Question

One end of a horizontal string is fixed to a wall. A transverse wave pulse in the form of a crest is generated at the other end and moves toward the wall, as shown. Consider the pulse after it has been reflected by the wall.

What is/are correct concerning the reflected pulse?

A) The reflected pulse forms a valley.

B) The reflected pulse has a greater speed than that of the incident pulse.

C) The reflected pulse forms a crest.

D) The reflected pulse has a greater ampli- tude than that of the incident pulse.

1. D only

2. A, B and D only

3. A only

4. A and C only

5. C only

6. A and D only

7. B and C only

8. A and B only

9. B only

10. B and D only

Explanation / Answer

here,

since crest pulse will not able to move further the wall so it will be reflected bask into osciallatory motion with same speed

also, the speed of wave depend upon elastic properties of the strins therefore

only option A is correct answer ( 3 is answer )

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