Waves and Sound - SS2 Physics Past Questions and Answers - page 3

The speed of a wave can be calculated using the equation v = f × λ, where v is the speed, f is the frequency, and λ is the wavelength. Plugging in the values, we get v = 50 Hz × 2 m = 100 m/s.

The wavelength of a wave can be calculated using the equation λ = v / f, where λ is the wavelength, v is the speed, and f is the frequency. Plugging in the values, we get λ = 350 m/s / 500 Hz = 0.7 m.

The frequency of a wave can be calculated using the equation f = v / λ, where f is the frequency, v is the speed, and λ is the wavelength. Plugging in the values, we get f = 200 m/s / 0.1 m = 2000 Hz.

The period of a wave can be calculated using the equation T = 1 / f, where T is the period and f is the frequency. Plugging in the value, we get T = 1 / 1000 Hz = 0.001 s.

The maximum displacement of a wave from the equilibrium position is equal to twice the amplitude. In this case, the maximum displacement is 2 × 5 cm = 10 cm.