1
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Two uniform strings ' $A$ ' and ' $B$ ' made of steel are made to vibrate under same tension. If the first overtone of ' $A$ ' is equal to second overtone of ' B ' and radius of ' A ' is twice that of ' B '. Then the ratio of length of string ' $A$ ' to that of ' $B$ ' is

A
$2: 1$
B
$3: 4$
C
$3: 2$
D
$1: 3$
2
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which one of the following is the correct equation for the electric circuit shown in the figure?

MHT CET (PCB) 2024 22th April Morning Shift Physics - Current Electricity Question 3 English
A
$\quad E_1-\left(i_1+i_2\right) R+i_1 r_1=0$
B
$\quad E_1-\left(i_1+i_2\right) R-i_1 r_1=0$
C
$\mathrm{E}_2-\mathrm{i}_2 \mathrm{r}_2-\mathrm{E}_1-\mathrm{i}_1 \mathrm{r}_1=0$
D
$\quad E_2-\left(i_1+i_2\right) R+i_2 r_2=0$
3
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

A pendulum is performing simple harmonic motion. The acceleration of the bob is $20 \mathrm{~cm} \mathrm{~s}^{-2}$ at a distance of 5 cm from mean position. The time period of oscillation is

A
2 s
B
$\pi \mathrm{s}$
C
$2 \pi \mathrm{~s}$
D
1 s
4
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

A spherical body of radius ' $r$ ' radiates power ' $P$ ' at $T$ kelvin. If the radius $s$ halved and the temperature doubled the power radiated in the same time ' t ' will be

A
$\frac{\mathrm{P}}{2}$
B
2 P
C
4 P
D
8 P
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