Adaptive Practice
Waves
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Question 1 of 10
⏱ 0:30
Easy
What is the SI unit of frequency of a wave?
Easy
Which of the following waves require a medium for propagation?
Medium
If the wavelength of a wave is doubled and its speed remains constant, what happens to its frequency?
Easy
A wave travels with a speed of 340 m/s and frequency 170 Hz. What is its wavelength?
Medium
Which of the following is NOT a characteristic of a transverse wave?
Easy
In a longitudinal wave, the regions of maximum compression are called:
Easy
The time period of a wave is 0.02 seconds. What is its frequency?
Medium
Two waves of the same amplitude and frequency interfere destructively. What is the amplitude of the resultant wave?
Medium
A string fixed at both ends vibrates in its third harmonic with frequency 300 Hz. What is the fundamental frequency?
Hard
A wave on a string has a speed v, wavelength λ, and frequency f. If the tension in the string is quadrupled, what happens to the wave speed?