Question

A wave travels a distance of 500 ml in 2s. The
frequency of wave is 500 Hz. How many
wavelengths are there in distance of 750m ?
a) 1500 b) 375
c) 750
d) 1000​

Answer 1

Answer:

a is a correct answer hope it helps you

Answer 2

Given-
f = 500 Hz
s = 600 m
t = 2 s

Solution-
Velocity of the wave is given by -
v = s / t
v = 600 / 2
v = 300 m/s

Wavelength of the wave is calculated by -
λ = v / f
λ = 300 / 500
λ = 0.6 m

No of wavelengths travelled -
N = s / λ
N = 600 / 0.6
N = 1000

Distance xy is equivalent to 1000 wavelengths.