A Wave on a Stretched String Is Reflected from a Fixed

question 75

Multiple Choice

A wave on a stretched string is reflected from a fixed end P of the string.The phase difference, at P, between the incident and reflected waves is:

• A)"0 rad"
• B)"\(\pi\)rad"
• C)"\(\pi\)/2 rad"
• D)"depends on the velocity of the wave"
• E)"depends on the frequency of the wave"

---

Definitions:

Negative Well-being

A state characterized by poor quality of life and subjective feeling of unhappiness, dissatisfaction, or distress.

Identity Gap

The discrepancy that occurs when there is a divergence between an individual's perceived self and the self that is expressed or seen by others.

Acceptance of Change

The willingness or ability of individuals or groups to adapt to or embrace alterations in their environment or circumstances.

Defence Mechanisms

Psychological attempts to reduce the anxiety associated with stress.