1
MHT CET 2026 16th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
Water flows through a horizontal pipe at a speed 'V'. Internal diameter of the pipe is 'd'. If the water is emerging at a speed '$V_1$' then the diameter of the nozzle is
A
$\text{d}\sqrt{\dfrac{\text{V}}{\text{V}_1}}$
B
$\text{d}\sqrt{\dfrac{\text{V}_1}{\text{V}}}$
C
$\dfrac{\text{dV}}{\text{V}_1}$
D
$\dfrac{\text{dV}_1}{\text{V}}$
2
MHT CET 2026 16th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
A liquid is at rest in a container. In a sphere of influence, the liquid molecule at its centre is
A
attracted by other molecules in the sphere of influence.
B
attracted by other molecules outside sphere of influence.
C
repelled by other molecules outside the sphere of influence.
D
repelled by other molecules in the sphere of influence.
3
MHT CET 2026 16th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
Rate of flow of heat through a cylindrical rod is '$H_1$'. The temperature at the ends of the rod are $T_1$ and $T_2$. If all the dimensions of the rod become double and the temperature difference remains the same and if the rate of flow of heat becomes '$H_2$' then $H_2 =$
A
$\dfrac{\text{H}_1}{2}$
B
$4\text{H}_1$
C
$2\text{H}_1$
D
$\dfrac{\text{H}_1}{4}$
4
MHT CET 2026 16th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
The energy spectrum of a black body exhibits a maximum around a wavelength '$\lambda$'. The temperature of the black body is now changed such that the energy is maximum around a wavelength $2\lambda/3$. The power radiated by the black body will now increase by a factor
A
$\dfrac{9}{4}$
B
$\dfrac{81}{16}$
C
$\dfrac{3}{2}$
D
$\dfrac{27}{8}$

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