Physicsmedium · Past Paper
What is the speed of sound in a medium if a wave with a frequency of 2 kHz has a wavelength of 0.75 m?
A150 m/s
B1500 m/s
C2666 m/s
D750 m/s
✓ Correct Answer: B — 1500 m/s
v = f * lambda. Convert 2 kHz to 2000 Hz. v = 2000 * 0.75 = 1500 m/s.
Share this question
More from Physics
- The ability of the eye lens to adjust its focal length is called:
- If acceleration is constant and non-zero, the velocity-time graph is:
- If a sound wave travels from air into water, which property remains unchanged?
- A compound microscope uses:
- What is the effect on upthrust if the density of the liquid increases?