1
MHT CET 2026 17th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
For a particle executing S.H.M., its potential energy is 8 times its kinetic energy at a certain displacement '$x$' from the mean position. If '$A$' is the amplitude of S.H.M., the value of '$x$' is
A
$\dfrac{2}{\sqrt{3}}A$
B
$\dfrac{\sqrt{2}}{3}A$
C
$\dfrac{2\sqrt{2}}{3}A$
D
$\dfrac{3}{\sqrt{2}}A$
2
MHT CET 2026 17th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
A particle executing simple harmonic motion starts from mean position with amplitude '$A$' and periodic time '$T$'. At what displacement is its speed one-fourth of the maximum speed?
A
$\dfrac{A}{\sqrt{15}}$
B
$\dfrac{A}{4}$
C
$\dfrac{4A}{\sqrt{15}}$
D
$\dfrac{A\sqrt{15}}{4}$
3
MHT CET 2026 17th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
A and B are two wires whose fundamental frequencies are 256 Hz and 382 Hz respectively. When third harmonic of A and the second harmonic of B are sounded together, the number of beats heard in two second will be
A
$8$
B
$6$
C
$4$
D
$2$
4
MHT CET 2026 17th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
In case of stationary wave pattern, which of the following statement is CORRECT ?
A
The distance between consecutive antinodes is equal to the wavelength.
B
In a pipe open at both ends when an air column is vibrated, only even harmonics are present.
C
When an air column is vibrated in a pipe closed at one end, all harmonics are present.
D
In the case of a stretched string, when vibrated frequency of the first overtone is same as the second harmonic.

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