Question 119: Waves

Question

Which of the following equations represents a travelling wave?

Accepted Answer

Y = F(x, t)
For travelling wave y should be linear function of x and t and they must exist as (x $$\pm$$ vt)
Y = A sin (15x $$-$$ 2t) $$ 	o $$ linear function in x and t.

Answer

y = Ae
x
cos($$\omega$$t $$-$$ $$	heta$$)

Answer

y = Ae
$$-$$x
2
(vt + $$	heta$$)

Answer

y = A sin (15x $$-$$ 2t)

Answer

y = A sinx cos$$\omega$$t

Waves

Which of the following equations represents a travelling wave?

Choose the correct answer: