1
MHT CET 2024 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The r.m.s. velocity of hydrogen at S.T.P. is ' $u$ ' $\mathrm{m} / \mathrm{s}$. If the gas is heated at constant pressure till its volume becomes three times, then the final temperature of the gas and the r.m.s. speed are respectively

A
$819 \mathrm{~K},(\sqrt{3}) \mathrm{um} / \mathrm{s}$
B
$1092 \mathrm{~K}, 3 \mathrm{um} / \mathrm{s}$
C
$819 \mathrm{~K}, \frac{\mathrm{u}}{\sqrt{3}} \mathrm{~m} / \mathrm{s}$
D
$1092 \mathrm{~K}, \frac{\mathrm{u}}{3} \mathrm{~m} / \mathrm{s}$
2
MHT CET 2024 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The distance of the two planets A and B from the sun are $r_A$ and $r_B$ respectively. Also $r_B$ is equal to $100 r_A$. If the orbital speed of the planet $A$ is ' $v$ ' then the orbital speed of the planet B is

A
$\frac{\mathrm{v}}{10}$
B
$\frac{v}{2}$
C
$ \sqrt{2} v$
D
10 v
3
MHT CET 2024 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A tube of uniform bore of cross-sectional area ' $A$ ' has been set up vertically with open end facing up. Now ' $M$ ' gram of a liquid of density ' $d$ ' is poured into it. The column of liquid in this tube will oscillate with a period ' T ', which is equal to [ $g=$ acceleration due to gravity]

A
$2 \pi \sqrt{\frac{\mathrm{MA}}{\mathrm{gd}}}$
B
$2 \pi \sqrt{\frac{\mathrm{M}}{2 \mathrm{Adg}}}$
C
$2 \pi \sqrt{\frac{M}{g}}$
D
$2 \pi \sqrt{\frac{M}{g d A}}$
4
MHT CET 2024 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

An n-p-n transistor can be considered to be equivalent to two diodes connected. The correct figure out of the following is

MHT CET 2024 3rd May Morning Shift Physics - Semiconductor Devices and Logic Gates Question 52 English

A
a
B
b
C
c
D
d
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