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

When three capacitors of capacitances ' C ', ' 2 C '? and ' 3 C ' are connected in series. The potential difference applied across the combination is ' $V$ '. The energy stored in the circuit is

A

$\frac{1}{11} \mathrm{CV}^2$

B

$\frac{3}{11} \mathrm{CV}^2$

C

$\frac{5}{11} \mathrm{CV}^2$

D

$\frac{7}{11} \mathrm{CV}^2$

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

In the spectrum of hydrogen atom the ratio of the longest wavelength in the Balmer series to the longest wavelength in the Lyman series is

A

$\frac{9}{4}$

B

$\frac{4}{9}$

C

$\frac{27}{5}$

D

$\frac{5}{27}$

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

A spherical liquid drop of radius R is divided into 64 equal droplets. If surface tension is $T$ then the work done in this process will be

A

$8 \pi R^2 T$

B

$\quad 12 \pi R^2 T$

C

$4 \pi R^2 T$

D

$\quad 16 \pi R^2 T$

4
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 .