Vibrations with Frequency 6

question 47

Multiple Choice

Vibrations with frequency 6.00 × 10² Hz are established on a 1.33-m length of string that is clamped at both ends.The speed of waves on the string is 4.00 × 10² m/s.
-How many antinodes are observed for the resulting standing wave pattern?

• A)2
• B)3
• C)4
• D)5
• E)6

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Definitions:

Diathermy

A type of heat therapy in which a machine produces high-frequency electromagnetic waves that achieve deep heat penetration in muscle tissue.

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Prepaid Rent Expense

An expense account that records payments for rent made in advance of the rental period.

Adjusting Entry

At the end of an accounting timeframe, records are made to attribute income and spending to the specific period in which they were incurred.