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Question

When a wave a pulse travelling in a string is reflected from a rigid wall to which string is tied as shown in figure.
For this situation two statements are given below

(i)The reflected pulse will be in same orientation of incident pulse due to a phase change of π radians
(ii) During reflection the wall exert a force on string upward direction.
For the above given two statements, choose the correct option given below.

A
Only (i) is true
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B
Only (ii) is true
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C
Both are true
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D
Both are wrong
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Solution

The correct option is D Both are wrong
Reflected pulse will be inverted as it is reflected by a denser medium. The wall exerts force in downward direction.

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