1
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
$$\sqrt 2 T$$
2
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
$${{\pi a\sqrt 3 } \over {2T}}$$
3
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
4
AIPMT 2008
+4
-1
Two simple harmonic motions of angular frequency 100 and 1000 rad s$$-$$1 have the same displacement amplitude. The ratio of their maximum acceleration is
A
$$1:{10^3}$$
B
$$1:{10^4}$$
C
$$1:10$$
D
$$1:{10^2}$$
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