1
AP EAPCET 2024 - 19th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The rms velocity of a gas molecules oí mass $m$ at a given temperature is proportional to
A
$\mathrm{m}^{\circ}$
B
$m$
C
$\sqrt{m}$
D
$\frac{1}{\sqrt{m}}$
2
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Match the following.
(a) Thermal conductivity (i) $\left[\mathrm{MLT}^{-3} \mathrm{~K}^{-1}\right]$
(b) Boltzmann constant (ii) $\left[M^0 L^2 T^{-2} K^{-1}\right]$
(c) Latent heat (iii) $\left[M L^2 T^{-2} K^{-1}\right]$
(d) Specific heat (iv) $\left[M^0 L^2 T^{-2}\right]$
A
$a-i, b-iii, c-iv, d-ii$
B
$a-i, b-ii, c-iv, d-iii$
C
$a-iii, b-ii, c-i, d-iv$
D
$a-ii, b-i, c-iii, d-iv$
3
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The length of a metal bar is 20 cm and the ares of cross-section is $4 \times 10^{-4} \mathrm{~m}^2$. If one end of the rod is kept in ice at $0^{\circ} \mathrm{C}$ and the other end is kept in steamat $100^{\circ} \mathrm{C}$, the mass of ice melted in one minute is 5 g , the thermal conductivity of the matal in $\mathrm{Wm}^{-1} \mathrm{~K}^{-1}$ is (Latent heat of fusion $=80 \mathrm{cal} / \mathrm{g}$ )
A
140
B
120
C
100
D
160
4
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The work done by an ideal gas of 2 moles in increasins its volume from $V$ to 2 V at constant temperature $T$ is V . The work done by an ideal gas of 4 moles in increasits its wolume from $V$ to $8 V$ at constant temperature $\frac{T}{2}$ is
A
W
B
2 W
C
3 W
D
4 V
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