In the figure, S is a small loudspeaker driven by an audio oscillator and amplifier, adjustable in frequency from 1400 to 2300 Hz only. Tube Dis a piece of cylindrical sheet-metal pipe 38.4 cm long and open at both ends. (a) If the speed of sound in air is 344 m/s at the existing temperature, at how many frequencies will a resonance occur in the pipe when the frequency emitted by the speaker is varied from 1400 Hz to 2300 Hz? (b) What is the lowest resonant frequency in the given interval? (a) Number i Units

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Properties of Fluids

The term fluid represents a type of substance that can easily change its shape under any external pressure/force and can flow. Fluids can acquire any shape in which it is stored and can resist normal stresses but cannot resist shear stress in rest condition. Whenever external shear stress is applied to fluids, it starts to flow. The fluids may be liquid or gas. Example- water, air, etc.