Bats Can Detect Small Objects Such as Insects That Are

question 47

Multiple Choice

Bats can detect small objects such as insects that are of a size in the order of a wavelength. If bats emit a chirp at a frequency of 60 kHz and the speed of sound waves in air is 330 m/s, what is the smallest size insect they can detect?

• A)1.5 mm
• B)3.5 mm
• C)5.5 mm
• D)7.5 mm
• E)9.8 mm

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Definitions:

Posting Process

The act of transferring entries from a journal to the corresponding accounts in the ledger as part of the accounting cycle.

Journal

A detailed record of all financial transactions, used as the primary source for all accounting entries.

Ledger

A comprehensive collection of a company's financial accounts, transactions, and balances over a period.

Structured Format

A specified and organized way of presenting or arranging information or data, typically following a predefined layout.