1
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
Starting from the origin a body oscillates simple harmonically with a period of $$2$$ $$s.$$ After what time will its kinetic energy be $$75\% $$ of the total energy?
A
$${1 \over 6}s$$
B
$${1 \over 4}s$$
C
$${1 \over 3}s$$
D
$${1 \over 12}s$$
2
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
The maximum velocity of a particle, executing simple harmonic motion with an amplitude $$7$$ $$mm,$$ is $$4.4$$ $$m/s.$$ The period of oscillation is
A
$$0.01$$ $$s$$
B
$$10$$ $$s$$
C
$$0.1$$ $$s$$
D
$$100$$ $$s$$
3
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
A string is stretched between fixed points separated by $$75.0$$ $$cm.$$ It is observed to have resonant frequencies of $$420$$ $$Hz$$ and $$315$$ $$Hz$$. There are no other resonant frequencies between these two. Then, the lowest resonant frequency for this string is
A
$$105$$ $$Hz$$
B
$$1.05$$ $$Hz$$
C
$$1050$$ $$Hz$$
D
$$10.5$$ $$Hz$$
4
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
An electric dipole is placed at an angle of $${30^ \circ }$$ to a non-uniform electric field. The dipole will experience
A
a translation force only in the direction of the field
B
a translation force only in a direction normal to the direction of the field
C
a torque as well as a translational force
D
a torque only
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