1
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
A particle executing simple harmonic motion of amplitude 5 cm has maximum speed of 31.4 cm/s. The frequency of its oscillation is
A
4 Hz
B
3 Hz
C
2 Hz
D
1 Hz
2
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
Two springs of spring constants k1 and k2 are joined in series. The effective spring constant of the combination is given by
A
$$\sqrt {{k_1}{k_2}} $$
B
(k1 + k2)/2
C
k1 + k2
D
k1k2/(k1 + k2)
3
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
The time period of mass suspended from a spring is T. If the spring is cut into four equal parts and the same mass is suspended from one of the parts, then the new time period will be
A
T/4
B
T
C
T/2
D
2T
4
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
In case of a forced vibration, the resonance peak becomes very sharp when the
A
damping force is small
B
restoring force is small
C
applied periodic force is small
D
quality factor is small
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