A Source Emits Sound with a Frequency of 1000 Hz

question 58

Multiple Choice

A source emits sound with a frequency of 1000 Hz.Both it and an observer are moving in the same direction with the same speed, 100 m/s.If the speed of sound is 340 m/s, the observer hears sound with a frequency of:

• A)290 Hz
• B)540 Hz
• C)1000 Hz
• D)1800 Hz
• E)3400 Hz

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Definitions:

Superego

A component of Sigmund Freud's psychoanalytic theory, representing the ethical or moral conscience.

Defence Mechanism

Psychological strategies deployed by individuals unconsciously to protect themselves from anxiety arising from unacceptable thoughts or feelings.

Sublimation

The process of redirecting socially unacceptable impulses or urges into socially acceptable actions or behaviors.

Displacement

In psychology, a defense mechanism where an individual shifts negative feelings from their original source to a less threatening recipient.