Waves & Acoustics Challenge

Froggy Jumps

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Test your understanding of mechanical waves and acoustics.

Estuaria, Mico (Faculty)

Philippines

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Waves & Acoustics Challenge


Froggy Jumps Waves & Acoustics ChallengeVersion en ligne Test your understanding of mechanical waves and acoustics. par Estuaria, Mico (Faculty) 1 What type of wave propagates along a surface between media? a Longitudinal wave b Surface wave c Transverse wave 2 Which quantity sets the speed of a wave on a string with tension F and linear density μ? a v = F/μ b v = sqrt(F/μ) c v = μ/F 3 What is the fundamental frequency for a string of length L with wave speed v? a f1 = 2L/v b f1 = v/L c f1 = v/(2L) 4 In standing waves, what are the points that do not move called? a Nodes b Antinodes c Crests 5 What is the lowest standing wave frequency called? a Overtone b Fundamental frequency c Harmonic 6 Which term describes energy transfer without the net transport of matter? a Mass transport b Particle motion c Wave energy transfer 7 What is the displacement function for a right-traveling sinusoidal wave on a string? a y(x,t) = A sin(kx + ωt) b y(x,t) = A cos(kx + ωt) c y(x,t) = A cos(kx - ωt) 8 What happens to energy in a standing wave’s nodes? a Maximum energy transfer b No energy transfer at nodes c Energy leaks out 9 Which principle explains the speed of fluids through a height difference? a Torricelli's principle b Pascal's law c Bernoulli's principle 10 What is the ratio of the output pressure fluctuation to displacement amplitude called? a Pressure amplitude b Displacement amplitude c Velocity amplitude