1
AIPMT 2010 Prelims
+4
-1
The displacement of a particle along the x-axis is given by x = asin2$$\omega$$t. The motion of the particle corresponds to
A
simple harmonic motion of frequency $$\omega$$/$$\pi$$
B
simple harmonic motion of frequency $$3\omega /2\pi$$
C
non simple harmonic motion
D
simple harmonic motion of frequency $$\omega /2\pi$$
2
AIPMT 2010 Prelims
+4
-1
The period of oscillation of a mass M suspended from a strong of negligible mass is T. If along with it another mass M is also suspended, the period of oscillation will now be
A
T
B
$${T \over {\sqrt 2 }}$$
C
2T
D
$$\sqrt 2 T$$
3
AIPMT 2009
+4
-1
A simple pendulum performs simple harmonic motion about x = 0 with an amplitude a and time period T. The speed of the pendulum at x = a/2 will be
A
$${{\pi a} \over T}$$
B
$${{3{\pi ^2}a} \over T}$$
C
$${{\pi a\sqrt 3 } \over T}$$
D
$${{\pi a\sqrt 3 } \over {2T}}$$
4
AIPMT 2009
+4
-1
Which one of the following equations of motion represents simple harmonic motion ?

where k, k0, k1 and a are all positive.
A
Acceleration = $$-$$ k (x + a)
B
Acceleration = k(x + a)
C
Acceleration = $$-$$ $$\omega$$2x
D
Acceleration = $$-$$ k0x + k1x2
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