1
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)
2
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
The potential energy of a simple harmonic oscillator when the particle is half way to its end point is
A
$${2 \over 3}$$E
B
$${1 \over 8}$$E
C
$${1 \over 4}$$E
D
$${1 \over 2}$$E
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
Which one of the following statements is true for the speed v and the acceleration a of a particle executing simple harmonic motion?
A
When v is maximum, $$a$$ is maximum
B
Value of $$a$$ is zero, whatever may be the value of v.
C
When v is zero, $$a$$ is zero
D
When v is maximum, $$a$$ is zero.

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