MHT CET 2026 20th April Morning Shift | Simple Harmonic Motion Question 4 | Physics

A simple pendulum of length $l_1$ has periodic time $2.4$ s. Another simple pendulum of length $l_2 < l_1$, has periodic time $1.8$ s. The periodic time of simple pendulum of length $(l_1 - l_2)$ is nearly

$1.2$ s

$1.4$ s

$1.6$ s

$1.8$ s

MHT CET 2026 20th April Morning Shift

MCQ (Single Correct Answer)

-0

Two springs of force constants '$2k$' and '$k$' are connected to a mass '$m$' as shown. Mass is displaced slightly to one side and released. The frequency of oscillation of the two springs-mass system is

$\dfrac{1}{2\pi}\sqrt{\dfrac{m}{k}}$

$\dfrac{1}{2\pi}\sqrt{\dfrac{k}{m}}$

$\dfrac{1}{2\pi}\sqrt{\dfrac{2k}{m}}$

$\dfrac{1}{2\pi}\sqrt{\dfrac{3k}{m}}$

MHT CET 2026 20th April Morning Shift

MCQ (Single Correct Answer)

-0

Two oscillating simple pendulums with time periods $T$ and $\dfrac{4T}{3}$ are in phase at a given time. They will be again in phase after an elapse of time

$5T$

$4T$

$3T$

$2T$

MHT CET 2025 5th May Evening Shift

MCQ (Single Correct Answer)

-0

All the springs in fig. (a), (b) and (c) are identical, each having force constant K each. Mass m is attached to each system. If $\mathrm{T}_a, \mathrm{~T}_b$ and $\mathrm{T}_{\mathrm{c}}$ are the time periods of oscillations of the three systems in fig. (a), (b) and (c) respectively, then

MHT CET 2025 5th May Evening Shift Physics - Simple Harmonic Motion Question 1 English

$\quad \mathrm{T}_{\mathrm{a}}=\sqrt{2} \mathrm{~T}_{\mathrm{b}}$

$\quad \mathrm{T}_{\mathrm{a}}=\frac{\mathrm{T}_{\mathrm{c}}}{\sqrt{2}}$

$\mathrm{T}_{\mathrm{b}}=2 \mathrm{~T}_{\mathrm{a}}$

$\quad \mathrm{T}_{\mathrm{b}}=2 \mathrm{~T}_{\mathrm{c}}$

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