Two Small Identical Speakers Are Connected (In Phase)to the Same

question 40

Multiple Choice

Two small identical speakers are connected (in phase) to the same source.The speakers are 3 m apart and at ear level.An observer stands at X, 4 m in front of one speaker as shown.If the amplitudes are not changed, the sound he hears will be least intense if the wavelength is:

• A)1 m
• B)2 m
• C)3 m
• D)4 m
• E)5 m

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Definitions:

Data Monitor

A Data Monitor is a tool or system used to observe, track, and analyze data traffic or processing activities to ensure proper operation and performance.

Radix

The base of a number system; for example, the radix of the decimal system is 10, and the binary system is 2.

Force Instructions

In PLC programming, commands that temporarily overwrite the normal operation of inputs or outputs for testing or debugging purposes.

Data Table Bits

Refers to the smallest unit of information in a table structured for data storage, representing a binary value of 0 or 1.