Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions



drum/ tubla- the membrane of the instrument vibrates to produce different sounds on the basis of how strong the membrane is hit.

flute- the air present in the air columns vibrates when blown to produce various sounds.

1 5 1

This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Sound note is produced in percussion instrument like drum , tabla , bongo,dhol etc is by striking or beating the surface which cause vibration of the surface which in turn produces the sound.
String based instrument like guitar produces it's sound by vibrating their string.
The pitch in string instrument depend on the thickness of the string, so guitar have different thickness strings.
0 0 0
The strings are tuned a fifth apart which in equal temparament gives frequencies G3(196 Hz), D4(293.7 Hz), A4, E5(659.3 Hz) using the A4 = 440Hz standard frequencies.
2.Snare drum
The two membranes of the snare drum are acoustically coupled to each other, particularly at the low frequencies. This coupling via the enclosed air acts to double the modes. The lower frequency member of the mode pair involves both heads moving in the same direction and for the higher mode they move oppositely.
1 1 1
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts