A tube closed at one end and containing air produces, when excited, the fundamental note of frequency 512 Hz. If the tube is open at both ends the fundamental frequency that can be excited is ( in Hz ):

512

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128

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256

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1024

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Solution

The correct option is D
1024

If the tube is open at both ends the fundamental frequency will be twice of the fundamental note, when the tube is closed at one end. Hence the fundamental frequency will be 2 x 512 =1024 Hz.

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A tube closed at one end and containing air produces, when excited, the fundamental note of frequency 512 Hz. If the tube is open at both ends the fundamental frequency that can be excited is ( in Hz ):

The correct option is D 1024 If the tube is open at both ends the fundamental frequency will be twice of the fundamental note, when the tube is closed at one end. Hence the fundamental frequency will be 2 x 512 =1024 Hz.

The correct option is D
1024

If the tube is open at both ends the fundamental frequency will be twice of the fundamental note, when the tube is closed at one end. Hence the fundamental frequency will be 2 x 512 =1024 Hz.