Wave Basics Practice
10 problems · instant feedback · full explanations
v = fλ is the master equation. Every wave problem is about relating these three — plus knowing which kind of wave you're dealing with.
Q1.
A wave has frequency 5 Hz and wavelength 2 m. What is its speed?
Multiple choice · Easy
Q2.
What does a frequency of 50 Hz mean?
Multiple choice · Easy
Q3.
Ocean waves travel at 1500 m/s (sound in water) with frequency 3000 Hz. What is the wavelength?
Numerical answer (m) · Medium
Q4.
How do light waves and sound waves differ in type?
Multiple choice · Medium
Q5.
What does wave amplitude measure?
Multiple choice · Easy
Q6.
A radio wave has wavelength 0.5 m. What is its frequency in MHz? (c = 3×10⁸ m/s.)
Numerical answer (MHz) · Hard
Q7.
Waves transfer energy without transferring matter over net distances.
True / False · Easy
Q8.
Higher-frequency waves always travel faster than lower-frequency waves in the same medium.
True / False · Medium
Q9.
Two points on a wave are λ/4 apart. What is their phase difference?
Multiple choice · Hard
Q10.
A 20 m/s wave with wavelength 0.4 m passes a fixed point. What is the oscillation period at that point?
Numerical answer (s) · Hard