1
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
A wave travelling in the + ve x-direction having displacement along y-direction as 1 m, wavelength 2$$\pi $$ m and frequency of $${1 \over \pi }$$ Hz is represented by
A
y = sin(10$$\pi $$x $$-$$ 20$$\pi $$t)
B
y = sin(2$$\pi $$x + 2$$\pi $$t)
C
y = sin(x $$-$$ 2t)
D
y $$=$$ sin(2$$\pi $$x $$-$$ 2$$\pi $$t)
2
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
A stone falls freely under gravity. It covers distances h1, h2 and h3 in the first 5 seconds, the next 5 seconds and the next 5 seconds respectively. The relation between h1, h2 and h3 is
A
h2 = 3h1 and h3 = 3h2
B
h1 = h2 = h3
C
h1 = 2h2 = 3h3
D
$${h_1}$$ = $${{{h_2}} \over 3}$$ = $${{{h_3}} \over 5}$$