The Sound of a Band Is Rated as 60 DB

question 73

Multiple Choice

The sound of a band is rated as 60 dB at a distance of 10.0 m.What is the dB sound level of the band when one is 20.0 m from the band?

• A) 56 dB
• B) 54 dB
• C) 52 dB
• D) 50 dB
• E) 48 dB

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Definitions:

P Generation

The parent generation in a genetic cross, from which offspring are derived in subsequent generations.

Testcross

Cross, between an individual with a dominant phenotype and an individual with a recessive phenotype, to determine whether the dominant individual is homozygous or heterozygous.

Dominant Phenotype

The phenotype or trait that is expressed in an organism's appearance when two different alleles or versions of a gene are present.

Homozygous Recessive

A genetic condition where an individual possesses two identical recessive alleles for a particular trait, resulting in the expression of the recessive phenotype.