Solve problems involving the period, frequency, wavelength, and velocity of a wave using 𝑣 = 𝑓𝜆 and 𝑓 = 1 𝑇 and using but not limited to 𝑣𝑠 = 346 m s−1.

Question 1

Question 1

Two sound waves, P and Q, are produced in air at 20°C. Wave P has a frequency of 440 Hz and wavelength of 0.79 m. Wave Q has a frequency of 880 Hz. What key feature differentiates wave Q from wave P?

Worked answer

🔒 Start free to see full answer

Question 2

Question 2

A tsunami wave is detected in the Pacific Ocean travelling with a velocity of \(215\) m s\(^{-1}\). An oceanographic buoy records that the wave takes \(18.5\) minutes to complete one full oscillation cycle. Calculate the wavelength of the tsunami wave. Show your working.

Worked answer

🔒 Start free to see full answer

Question 3

Question 3

The diagram below shows a displacement–time graph for a wave travelling through a medium. What is the speed of the wave if its wavelength is 2.4 m?

Worked answer

🔒 Start free to see full answer

Question 4

Question 4

A sound wave in air has a frequency of 440 Hz. What is the wavelength of this wave?

Worked answer

🔒 Start free to see full answer

Solve problems involving the period, frequency, wavelength, and velocity of a wave using 𝑣 = 𝑓𝜆 and 𝑓 = 1 𝑇 and using but not limited to 𝑣𝑠 = 346 m s−1.

Practise this objective

Practice questions for this objective

More in Wave properties