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

In Young's double slit experiment, waves from slits ' $\mathrm{S}_1$ ' and ' $\mathrm{S}_2$ ' have a path difference of $\frac{\lambda}{4}$ and $\frac{\lambda}{6}$ respectively at points $x$ and $y$ on the screen. The ratio of intensities at points $y$ to that at $x$ is $\left(\cos 45^{\circ}=\frac{1}{\sqrt{2}}, \cos 30^{\circ}=\sqrt{3} / 2,\right)$

A

$1: 3$

B

$3: 2$

C

$3: 4$

D

$2: 3$

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

The angular separation between the minute hand and the hour hand of clock 40 minutes passed after $12 \mathrm{p} . \mathrm{m}$. is

A

$120^{\circ}$

B

$110^{\circ}$

C

$90^{\circ}$

D

$220^{\circ}$

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

For a p-type semiconductor, the relation between the number density ' $\mathrm{n}_{\mathrm{h}}$ ' and ' $\mathrm{n}_{\mathrm{e}}$ ' is

A

$\mathrm{n}_{\mathrm{e}}=\mathrm{n}_{\mathrm{h}}$

B

$n_h \gg n_e$

C

$\mathrm{n}_{\mathrm{h}} \ll \mathrm{n}_{\mathrm{e}}$

D

$\mathrm{n}_{\mathrm{h}}=\mathrm{n}_{\mathrm{e}}=0$

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

If 80 J of work is required in moving an electric charge of ' 2 C ' from a point where potential is " -8 V ' to another point where potential is ' $V$ ' volt, the value of ' $V$ ' is

A

8 V

B

16 V

C

32 V

D

40 V