1
MHT CET 2025 25th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

A balloon is filled at $27^{\circ} \mathrm{C}$ and 1 atmospheric pressure by volume $500 \mathrm{~m}^3$ helium gas. At $-3^{\circ} \mathrm{C}$ and 0.5 atmospheric pressure, the volume of helium gas will be

A
$500 \mathrm{~m}^3$
B
$700 \mathrm{~m}^3$
C
$900 \mathrm{~m}^3$
D
$1000 \mathrm{~m}^3$
2
MHT CET 2025 25th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

As shown in the figure, $S_1$ and $S_2$ are identical springs with spring constant K each. The oscillation frequency of the mass ' $m$ ' is ' $f$ '. If the spring $\mathrm{S}_2$ is removed, the oscillation frequency will become

MHT CET 2025 25th April Evening Shift Physics - Simple Harmonic Motion Question 1 English

A
f
B
2 f
C
$\frac{\mathrm{f}}{\sqrt{2}}$
D
$\sqrt{2} \cdot \mathrm{f}$
3
MHT CET 2025 25th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

The volume of a metal sphere increases by $0.33 \%$ when its temperature is raised by $50^{\circ} \mathrm{C}$. The coefficient of linear expansion of the metal is

A
$2.2 \times 10^{-5} /{ }^{\circ} \mathrm{C}$
B
$6.6 \times 10^{-5} /{ }^{\circ} \mathrm{C}$
C
$13.2 \times 10^{-5} /{ }^{\circ} \mathrm{C}$
D
$19.8 \times 10^{-5} /{ }^{\circ} \mathrm{C}$
4
MHT CET 2025 25th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

The amount of work done in blowing a soap bubble such that its diameter increases from 'd' to ' $D$ ' is ( $T=$ surface tension of solution)

A
$ \pi\left(D^2-d^2\right) T$
B
$ 2 \pi\left(D^2-d^2\right) T$
C
$ 4 \pi\left(\mathrm{D}^2-\mathrm{d}^2\right) \mathrm{T}$
D
$ 8 \pi\left(D^2-d^2\right) T$
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