1
MHT CET 2024 16th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
 

A bucket full of hot water is kept in a room. If it cools from $75^{\circ} \mathrm{C}$ to $70^{\circ} \mathrm{C}$ in $t_1$ minutes, from $70^{\circ} \mathrm{C}$ to $65^{\circ} \mathrm{C}$ in $\mathrm{t}_2$ minutes and $65^{\circ} \mathrm{C}$ to $60^{\circ} \mathrm{C}$ in $t_3$ minutes, then

A
$\mathrm{t}_1<\mathrm{t}_2<\mathrm{t}_3$
B
$\mathrm{t_1>t_2>t_3}$
C
$\mathrm{t}_1=\mathrm{t}_2=\mathrm{t}_3$
D
$\mathrm{t}_1<\mathrm{t}_2=\mathrm{t}_3$
2
MHT CET 2024 16th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A cylinder contains water upto a height ' $H$ '. It has three orifices $\mathrm{O}_1, \mathrm{O}_2, \mathrm{O}_3$ as shown in the figure. Let $V_1, V_2, V_3$ be the speed of efflux of water from the three orifices. Then

MHT CET 2024 16th May Morning Shift Physics - Fluid Mechanics Question 45 English

A
$V_1=V_2=V_3$
B
$V_1< V_2< V_3$
C
$V_1>V_2 >V_3$
D
$V_1=V_3>V_2$
3
MHT CET 2024 16th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

In LCR series circuit, an alternating e.m.f. 'e' and current ' $i$ ' are given by equations $\mathrm{e}=160 \sin (100 \mathrm{t})$ Volt and $\mathrm{i}=250 \sin \left(100 \mathrm{t}+\frac{\pi}{3}\right) \mathrm{mA}$. The average power dissipated in the circuit is

A
2.5 W
B
4.0 W
C
10 W
D
100 W
4
MHT CET 2024 16th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The power $(\mathrm{P})$ is supplied to a rotating body having moment of inertia ' I ' and angular acceleration ' $\alpha$ '. Its instantaneous angular velocity ' $\omega$ ' is

A
$\mathrm{P}(\mathrm{I} \alpha)^{-1}$
B
$\mathrm{P}^{-1}(\mathrm{I} \alpha)^{-1}$
C
$P \alpha^{-1} \mathrm{I}$
D
$\mathrm{PIa}$
MHT CET Papers
EXAM MAP