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

The current $I$ is flowing through a loop $A B C D A$ as shown in the figure. The magnitude of the magnetic field at the centre ' $O$ ' is $x$ times

$$ \left(\frac{\mu_0 \mathrm{I}}{\mathrm{R}}\right)\left(\mathrm{OD}=\mathrm{R}, \mathrm{DC}=\mathrm{R}, \angle \mathrm{AOD}=90^{\circ}\right) $$

The value of ' $x$ ' is ( $\mu_0=$ permeability of free space)

MHT CET (PCB) 2025 9th April Evening Shift Physics - Moving Charges and Magnetism Question 1 English
A

$\frac{5}{16}$

B

$\frac{5}{12}$

C

$\frac{7}{16}$

D

$\frac{7}{12}$

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

At what angle should the two forces $2 \overrightarrow{\mathrm{P}}$ and $\sqrt{2} \overrightarrow{\mathrm{P}}$ act so that the resultant force is $\sqrt{10} \overrightarrow{\mathrm{P}}$ ?

A

$\cos ^{-1}\left(\frac{1}{\sqrt{2}}\right)$

B

$\cos ^{-1}\left(\frac{1}{2}\right)$

C

$\cos ^{-1}\left(\frac{\sqrt{3}}{2}\right)$

D

$\cos ^{-1}\left(\frac{1}{\sqrt{3}}\right)$

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

If the r.m.s. velocity of gas is V at temperature T , then

A

$\mathrm{VT}^2=$ constant

B

$\mathrm{V}^2 \mathrm{~T}=$ constant

C

$\mathrm{V}^2 / \mathrm{T}=$ constant

D

$\quad \mathrm{VT}=$ constant

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

Light propagates 2 cm distance in glass of refractive index 1.5 in certain time. In the same time same light propogates a distance of 2.25 cm in a medium. The refractive index of the medium is

A

$\frac{4}{3}$

B

$\frac{3}{2}$

C

$\frac{8}{3}$

D

$\frac{3}{4}$