A sound wave has a frequency of 500 Hz and a speed of 340 m/s. What is its wavelength?
Answer and explanation
Correct answer: D. 0.68 m
- Step 1: Wavelength = speed / frequency. Step 2. 340 / 500 = 0.68 m. Answer: 0.68 m. Why not the others: 1.47 m inverts the ratio and 170,000 m multiplies.
Practise more Chemistry and Physics for Medicine.
Free questions with an explanation for every one, and full timed TMS (Test für Medizinische Studiengänge) practice mock tests.
More Chemistry and Physics for Medicine questions
- What is the pH of a 0.01 mol/L solution of hydrochloric acid?
- What is the pH of a 0.001 mol/L solution of sodium hydroxide at 25 degrees Celsius?
- What is the molar mass of water (H = 1, O = 16)?
- How many moles of water are in 36 g of water (molar mass 18 g/mol)?
- What is a buffer solution?
- What is the oxidation state of manganese in potassium permanganate, KMnO4?