1
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

In thermodynamic process, which of the following statements is not true?

A
In an adiabatic process, the system is insulated from the surroundings.
B
In an isochoric process, the pressure remains constant.
C
In an isothermal process, the temperature remains constant.
D
In an adiabatic process, $\mathrm{pv}^\gamma=$ constant.
2
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

A charged particle is subjected to acceleration in a cyclotron which consists of two dees ' $\mathrm{D}_1$ ' and ' $D_2$ '. The charged particle undergoes increase in its speed.

A
inside $\mathrm{D}_1, \mathrm{D}_2$ and the gap between dees.
B
only inside $\mathrm{D}_1$.
C
only in the gap between $\mathrm{D}_1$ and $\mathrm{D}_2$.
D
only inside $\mathrm{D}_2$.
3
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

In case of well of death which is a vertical cylindrical wall of radius ' $r$ ' inside which vehicle is driven in horizontal circles. If ' $m$ ' is mass of vehicle, ' $V$ ' is the velocity and ' $\mu_s$ ' is the coefficient of static friction between the wheels of vehicle and walls then correct relation is [ $\mathrm{g}=$ acceleration due to gravity]

A
$\quad \mathrm{V}^2 \leq \frac{\mathrm{rg}}{\mu_{\mathrm{s}}}$
B
$\quad \mathrm{V} \leq \frac{\mathrm{rg}}{\mu_{\mathrm{s}}}$.
C
$\quad \mathrm{V}^2 \geqslant \frac{\mathrm{rg}}{\mu_{\mathrm{s}}}$
D
$\quad \mathrm{V} \geqslant \frac{\mathrm{rg}}{\mu_{\mathrm{s}}}$
4
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

In an oscillating LC circuit, the maximum charge on the capacitor is ' $Q$ '. When the energy is stored equally between the electric and magnetic fields, the instantaneous charge on the capacitor ' $q$ ' is

A
Q
B
$\frac{\mathrm{Q}}{2}$
C
$\frac{\mathrm{Q}}{\sqrt{2}}$
D
$\frac{\mathrm{Q}}{\sqrt{3}}$
EXAM MAP