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1
MHT CET 2019 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A particle is performing a linear simple harmonic motion of amplitude ' $A$ '. When it is midway between its mean and extreme position, the magnitudes of its velocity and acceleration are equal. What is the periodic time of the motion?

A
$\frac{2 \pi}{\sqrt{3}} \mathrm{~s}$
B
$\frac{\sqrt{3}}{2 \pi} s$
C
$2 \pi \sqrt{3} \mathrm{~s}$
D
$\frac{1}{2 \pi \sqrt{3}} \mathrm{~s}$
2
MHT CET 2019 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Two pendulums begin to swing simultaneously. The first pendulum makes nine full oscillations when the other makes seven. The ratio of the lengths of the two pendulums is

A
$\frac{49}{81}$
B
$\frac{64}{81}$
C
$\frac{8}{9}$
D
$\frac{7}{9}$
3
MHT CET 2019 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If ' $x$ ', $v$ ' and ' $a$ ' denote the displacement, velocity and acceleration of a particle respectively executing SHM of periodic time $h$ then which one of the following does not change with time?

A
$\frac{a T}{x}$
B
$a t+2 \pi v$
C
$\frac{a T}{v}$
D
$a T+4 \pi^2 v^2$
4
MHT CET 2019 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The quantity which does not vary periodically for a particle performing SHM is

A
acceleration
B
total energy
C
displacement
D
velocity
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