AOS 1_1B Homework

Identify the period and calculate the frequency of the wave.

• T = 1 s, f = 1 Hz

Identify the wavelength

• λ = 2 m

• λ = 3 m

• λ = 4 m

• Unable to be identified from graph

A loudspeaker emits a sound of frequency 30 Hz. The speed of sound in air in these conditions is 330 ms⁻¹. Which one of the following best gives the wavelength of the sound?

• 30 m

• 11 m

• 3.3 m

• 0.091 m

Find the period of a water wave of wavelength 8.0 m and speed 5.0 ms^–1

(type the number only)

Calculate the speed of a wave of wavelength 4.4 × 10^–8 m and period 1.1 × 10^–9 s

(Type only the number)