1
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
A force of $$ - F\widehat k$$ acts on $$O,$$ the origin of the coordinate system. The torque about the point $$(1, -1)$$ is AIEEE 2006 Physics - Rotational Motion Question 212 English
A
$$F\left( {\widehat i - \widehat j} \right)$$
B
$$ - F\left( {\widehat i + \widehat j} \right)$$
C
$$F\left( {\widehat i + \widehat j} \right)$$
D
$$ - F\left( {\widehat i - \widehat j} \right)$$
2
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
$${1 \over 12}s$$
3
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
$$100$$ $$s$$
4
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
$$10.5$$ $$Hz$$
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