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

A lens of power +5 D is put in contact with a lens of power -3 D . The combination will behave like a

A

convergent lens of focal length 75 cm .

B

divergent lens of focal length 16 cm .

C

convergent lens of focal length 50 cm .

D

divergent lens of focal length 40 cm .

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

A glass capillary of radius 0.35 mm is inclined at $60^{\circ}$ with the vertical in water. The length of water column in the capillary tube is (surface tension of water $=7 \times 10^{-2} \mathrm{Nm}^{-1}$, acceleration due to gravity $=10 \mathrm{~m} / \mathrm{s}^2, \cos 0^{\circ}=1$, $\cos 60^{\circ}=0.5$, density of water $=1 \mathrm{gram} / \mathrm{cm}^3$ )

A

16 cm

B

4 cm

C

8 cm

D

0.8 cm

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

In a given circuit, AB is a uniform potentiometer wire. If the value of resistance ' $R$ ' is slightly increased, the balance point

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

shifts towards $B$

B

shifts towards A

C

will not change

D

will not be obtained

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

In common emitter configuration, $\beta, \mathrm{R}_{\mathrm{L}}$ and r are the a.c. current gain, load resistance and the input resistance of a transistor respectively. The voltage and power gain respectively are

A

$\beta \frac{r}{R_L}, \beta^2 \frac{r}{R_L}$

B

$\beta \frac{\mathrm{r}}{\mathrm{R}_{\mathrm{L}}}, \beta\left(\frac{\mathrm{r}}{\mathrm{R}_{\mathrm{L}}}\right)^2$

C

$\beta \frac{R_L}{r}, \beta^2 \frac{R_L}{r}$

D

$\beta \frac{R_L}{r}, \beta\left(\frac{R_L}{r}\right)^2$