Question

130. The equation of a stationary wave in a string
is y = 4 sin [(3.14)x]cos oot mm.
Select the correct alternative(s) :
a) the amplitude of component waves is 2 mm
b) the amplitude of component waves is 4mm
c) the smallest possible length of string is 0.5 m
d) the smallest possible length of string is 1.0 m
1) a, care correct 2) b, c are correct
3) a, d are correct 4) all are correct​

Answer 1

Answer:

Select the correct alternative(s) :

a) the amplitude of component waves is 2 mm

b) the amplitude of component waves is 4mm

c) the smallest possible length of string is 0.5 m

d) the smallest possible length of string is 1.0 m

1) a, care correct 2) b, c are correct

3) a, d are correct