1
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The work done on a wire of volume of $2 \mathrm{~cm}^3$ is $16 \times 10^2 \mathrm{~J}$. If the Young's modulus of the material of the wire is $4 \times 10^{12} \mathrm{Nm}^{-2}$. Then the strain produced in the wire is
A
0.03 m
B
0.04 m
C
0.01 m
D
0.02 m
2
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Water flows from a tap of diameter 1.5 cm with $75 \times 10^{-5} \mathrm{~m}^3 \mathrm{~s}^{-1}$. Coefficient of viscosity of water is $10^{-3} \mathrm{~Pa}$. The flow is
A
turbulent with Reynold number less than 6000
B
steady flow with Reynolds number less than 2000
C
turbulent with Reynolds number greater than 6000
D
steady flow with Reynolds number more than 6000
3
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
A uniform metal solid sphere is rotating with angular speed $\omega_0$ about diameter. If the temperature is raised by $50^{\circ} \mathrm{C}$. The angular speed will be [given $\alpha_{\text {metal }}=20 \times 10^{-5 \circ} \mathrm{C}^{-1}$ ]
A
$0.95 \omega_0$
B
$0.96 \omega_0$
C
$0.98 \omega_0$
D
$\omega_0$ (angular velocity is same)
4
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
When 2 moles of a monoatomic gas expands adiabatically from a temperature of $80^{\circ} \mathrm{C}$ to $50^{\circ} \mathrm{C}$, the work done is $W$. The work done when 3 moles of a diatomic gas expands adiabatically from $50^{\circ} \mathrm{C}$ to $20^{\circ} \mathrm{C}$, is
A
7 W
B
5 W
C
2.5 W
D
3.5 W
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