1
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
The equations of two waves acting in perpendicular directions are given as
x = $$a$$cos($$\omega $$t +$$\delta $$) and y = $$a$$cos($$\omega $$t + $$\alpha $$), where $$\delta $$ = $$\alpha $$ + $${\pi \over 2}$$, the resultant wave represents
A
a parabola
B
a circle
C
an ellipse
D
a straight line
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