Que no 70 time t, the snap-sn
velocity of point P when its displacement is 5 cm is-
(b) m/s
[IIT JEE 20081
Interference and superposition of waves
7 . Five sinusoidal waves have the same frequency 500 Hz but
. 1: 1 and their phase
their amplitudes are in the ratio 2 •
, , and respectively. The phase angle of
Q angels OE
632
resultant wave obtained by the superposition of these five
waves Is:
(a) 300
(c) 600
AllMS-2010]
(b) 450
(d) 900
7
waves represented by y = asin(wt — kx) and y =
cos@t — kx) are superposed. The resultant wave will ha•.
an amplitude
T wåOe$8 aving u' x
the
ua
ffe
Itant w he
nd p
se of superimposing waves. Then phase
between them is
So correct answer will be option B