1
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

The solubility product of $\mathrm{PbI}_2$ is $2.8 \times 10^{-8}$. Calculate its solubility in $\mathrm{mol} \mathrm{dm}^{-3}$.

A

$1.323 \times 10^{-3}$

B

$1.912 \times 10^{-3}$

C

$7.912 \times 10^{-3}$

D

$7.323 \times 10^{-23}$

2
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

When forward bias is applied to a p-n junction, then the potential barrier and the width of the depletion region respectively.

A

increases, increases.

B

decreases, increases.

C

increases, decreases.

D

decreases, decreases.

3
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Four solid spheres each of mass ' $m$ ' and radius ' $r$ ' are arranged as shown in the figure. The moment of inertia of the system about the given axis of rotation $\mathrm{AA}^1$ is

MHT CET (PCB) 2025 9th April Morning Shift Physics - Rotational Motion Question 2 English
A

$\frac{13}{5} \mathrm{mr}^2$

B

$\frac{16}{5} \mathrm{mr}^2$

C

$\frac{18}{5} \mathrm{mr}^2$

D

$\frac{21}{5} \mathrm{mr}^2$

4
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

A wave is travelling in the negative x direction having displacement 3 cm along Y direction, wavelength $2 \pi \mathrm{~m}$ and frequency $\left(\frac{1}{2 \pi}\right) \mathrm{Hz}$ is represented as ( $t=$ time)

A

$3 \sin (\mathrm{x}+\mathrm{t}) \mathrm{m}$

B

$3 \times 10^{-2} \sin (x+t) m$

C

$3 \sin (x+2 t) m$

D

$3 \times 10^{-3} \sin (x+2 t) \mathrm{m}$