JAMB - Physics (2014 - No. 22)
The distance between two successive crests of a wave is 15cm and the velocity 300ms-1. Calculate the frequency.
2.0x102Hz
4.5x103Hz
2.0x103Hz
4.5x102Hz
Giải thích
Wavelength = 15cm = 0.15m
Velocity = 300m/s
V = fx
F = V/Wavelength
F = 300/0.15 Hertz
F = 2 x 103Hz
Velocity = 300m/s
V = fx
F = V/Wavelength
F = 300/0.15 Hertz
F = 2 x 103Hz