By How Many Decibels Does the Intensity Level of a Sound

question 71

Multiple Choice

By how many decibels does the intensity level of a sound decrease when you triple your distance from a source of sound?

• A)9.5 dB
• B)4.8 dB
• C)6.0 dB
• D)12 dB
• E)3.0 dB

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Definitions:

Gametes

The reproductive cells (sperm and egg) that combine during sexual reproduction to form a new organism.

Polyploid Cells

Cells that contain more than two paired (homologous) sets of chromosomes, often seen in plants.

Diploid Cells

Cells that contain two sets of chromosomes, one set inherited from each parent.

Zygotes

The initial cell formed when two gamete cells (e.g., sperm and egg) are fused, representing the earliest stage of embryonic development in sexually reproducing organisms.