An object oscillates 200 times in 5 seconds. Its frequency is:
A40 Hz
B100 Hz
C20 Hz
D5 Hz
Answer & Solution
Correct answer: A. 40 Hz
Frequency = number of oscillations / time = 200 / 5 s = 40 oscillations per second = 40 Hz.
Related questions
Which two animals are known to use natural echolocation to navigate and hunt?SONAR (SOund Navigation And Ranging) uses:Reverberation refers to:For a distinct echo to be heard, the reflecting surface must be at a minimum distance of (The audible range of frequency for humans is:The LOUDNESS of a sound depends on the wave's:Astronauts on the surface of the moon cannot hear each other's voice through air because:Sound is described as a LONGITUDINAL wave because: