A Speaker Designed to Emit Spherical Sound Waves Is Producing

question 6

Multiple Choice

A speaker designed to emit spherical sound waves is producing a sound intensity of 8 W/m² at a distance of 1 m from the speaker.What would be the intensity of this sound at a distance of 2 m from the speaker?

• A) W/m²
• B) 4 W/m²
• C) W/m² ​
• D) 2 W/m²

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Definitions:

Intermediate Filaments

A component of the cytoskeleton in eukaryotic cells that provides mechanical strength and support, made up of proteins that vary according to the cell type.

Microtubules

Cylindrical structures found in the cytoplasm of eukaryotic cells, composed of tubulin proteins, playing key roles in cell shape, division, and intracellular transport.

Peptidoglycan

A large, complex molecule found in the cell walls of bacteria, providing structural support and shape.

Primary Plant Cell Wall

The primary cell wall in plants is a flexible, comparatively thin layer that surrounds the cell membrane of plant cells, providing structure and support.