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Speed of sound in an ideal gas depends on _______

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in Fluid Mechanics by (118k points)
Speed of sound in an ideal gas depends on _______

(a) Temperature and pressure

(b) Surface area and volume

(c) Temperature and composition

(d) Composition and surface area

This question was posed to me by my school teacher while I was bunking the class.

Question is from Velocity of Sound or Pressure Wave in a Fluid in portion Compressible Flow of Fluid Mechanics

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The correct option is (c) Temperature and composition

For explanation: Speed of sound in ideal gas depends on its composition and temperature. The speed of sound has a weak dependence on frequency and pressure. As there is a slight deviating behaviour in an ideal fluid.

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