1
MHT CET 2026 19th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
Assuming the expression for the pressure exerted by the gas, it can be shown that pressure is
A
$\left(\dfrac{2}{3}\right)^{rd}$ of kinetic energy per unit volume of a gas.
B
$\left(\dfrac{3}{4}\right)^{th}$ of kinetic energy per unit volume of a gas.
C
$\left(\dfrac{1}{3}\right)^{rd}$ of kinetic energy per unit volume of a gas.
D
$\left(\dfrac{3}{2}\right)^{nd}$ times kinetic energy per unit volume of a gas.
2
MHT CET 2026 19th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
An ideal gas ($\gamma = 1.5$) is expanded adiabatically. To reduce the root mean square velocity of molecules two times, the gas should be expanded
A
$20$ times
B
$16$ times
C
$12$ times
D
$8$ times
3
MHT CET 2026 19th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
When $170$ J of energy is incident on a surface of a body, $17$ J of energy is reflected by it. If the coefficient of absorption is $0.7$, then the amount of energy transmitted will be
A
$3.4$ J
B
$11.9$ J
C
$34.0$ J
D
$119.0$ J
4
MHT CET 2026 19th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
A black body is at temperature $827^\circ\text{C}$. The rate at which it emits energy is proportional to
A
$(827)^4$
B
$(827)^2$
C
$(1100)^4$
D
$(1100)^2$

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