3. Frequency of a wave is 30Hz and wavelength is 5m. How much time wave will take to cover 3km distance
(A) 20 sec
(B) 30 sec
(C) 35 sec
(D) 40 sec
Answers
Answered by
0
Answer:
35 sec
Explanation:
Hope this helps uh ✌
Answered by
0
Explanation:
Freq.=30Hz
Wavelength=5m
Freq. = (velocity)/(wavelength)
Velocity of wave =30×5 =150m
Distance =3km=3000m
Time= 3000/150 = 20 sec.
Similar questions