For a Diffraction Horn Loudspeaker,sound Emerges Through a Rectangular Opening

question 37

Multiple Choice

For a diffraction horn loudspeaker,sound emerges through a rectangular opening.The opening of a diffraction horn has a width of 0.12 m.If the speaker emits a continuous tone with a wavelength of 0.09 m,at what angle does the first minimum occur?

• A)47°
• B)39°
• C)23°
• D)12°
• E)66°

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Definitions:

Penetrating Head Injuries

Injuries where an object pierces the skull and enters the brain, potentially causing severe damage and requiring immediate medical attention.

Closed Head Injuries

Injuries to the head where the skull remains intact but the brain is damaged, often leading to temporary or permanent neurological issues.

Neurocognitive Disorder

A general term describing a decrease in cognitive function due to a medical disorder other than a psychiatric illness.

Athletes

Individuals who participate in physical sports, often involving competitions, requiring skill, physical prowess, and often professional or amateur status.