Physicsmedium · Past Paper
If the frequency of a sound wave is 500 Hz and its speed is 340 m/s, what is its wavelength?
A0.68 m
B1.47 m
C170 m
D170,000 m
✓ Correct Answer: A — 0.68 m
Using the formula v = f * lambda, wavelength (lambda) = v / f = 340 / 500 = 0.68 meters.
Share this question
More from Physics
- The weight of an object on the surface of Earth is 98 N. What is its mass? (g = 9.8 m/s^2)
- The input of a transformer is 220V AC and output is 12V. If it's a step-down transformer and has 1100 turns in primary, find secondary turns.
- If a body covers 20m in 2nd second and 30m in 3rd second of its motion, what is its acceleration?
- What is the displacement of a particle moving in a circle of radius r after it has turned through an angle theta?
- The value of G is: