MHT CET (PCB) 2025 9th April Morning Shift | MHT CET (Biology) Year Wise Previous Years Questions

Biology

Chemistry

Physics

1. When forward bias is applied to a p-n junction, then the potential barrier and the width of the depletion region respect 2. Four solid spheres each of mass ' $m$ ' and radius ' $r$ ' are arranged as shown in the figure. The moment of inertia of 3. A wave is travelling in the negative x direction having displacement 3 cm along Y direction, wavelength $2 \pi \mathrm{~ 4. A straight wire of mass ' M ' and length 2 m is placed in a magnetic field of 2 T which is acting perpendicular to the l 5. A photon and an electron have equal energy ' $E$ '. The ratio of wavelength of photon to wavelength of electron is propo 6. A passenger is sitting in a train which is moving fast. The engine blows a whistle of frequency ' n '. If the apparent f 7. If the shape of the liquid surface is curved, then the 8. ' n ' polarising sheets are arranged such that each makes an angle $45^{\circ}$ with the proceeding sheet. An unpolarise 9. An alternating voltage $\mathrm{V}=100 \sqrt{2} \sin (50 \mathrm{t})$ is connected to $2 \mu \mathrm{~F}$ capacitor thro 10. A gas at $800^{\circ} \mathrm{C}$ is cooled until both its pressure and volume are halved. The final temperature of the 11. When the r.m.s. velocity of a gas is denoted by ' V ' and temperature of the gas by T , which of the following relations 12. An inductor of 0.5 mH , capacitor of $20 \mu \mathrm{~F}$ and resistance of $20 \Omega$ are connected in series with a 2 13. A particle vibrating simple harmonically has an acceleration of $16 \mathrm{~cm} / \mathrm{s}^2$, when it is at a distan 14. Two inductors of 88 mH each are joined in parallel. The current passing through this combination is 4 A . The energy sto 15. In a projectile motion shown in figure, which one of the following statements is NOT CORRECT? 16. A string of length $L$ is fixed at one end and carries a mass m at the other end. The string makes $\frac{3}{\pi}$ revol 17. When three capacitors of capacitances ' C ', ' 2 C '? and ' 3 C ' are connected in series. The potential difference appl 18. In the spectrum of hydrogen atom the ratio of the longest wavelength in the Balmer series to the longest wavelength in t 19. A spherical liquid drop of radius R is divided into 64 equal droplets. If surface tension is $T$ then the work done in t 20. A lens of power +5 D is put in contact with a lens of power -3 D . The combination will behave like a 21. A glass capillary of radius 0.35 mm is inclined at $60^{\circ}$ with the vertical in water. The length of water column i 22. In a given circuit, AB is a uniform potentiometer wire. If the value of resistance ' $R$ ' is slightly increased, the ba 23. In common emitter configuration, $\beta, \mathrm{R}_{\mathrm{L}}$ and r are the a.c. current gain, load resistance and t 24. A rigid body weighs 25 gram and has a measured volume of $5 \mathrm{~cm}^3$. The possible error in the measurement of ma 25. The average kinetic energy of a molecule of the gas is 26. In an a.c. circuit $I=50 \sin 100 \pi t$. The time required for the current to achieve its peak value will be 27. The average velocity of a particle performing S.H.M. in one complete vibration is ( $\mathrm{A}=$ amplitude of S.H.M., $ 28. The range of voltmeter of resistance $300 \Omega$ is 5 V . The resistance required to be connected to convert it into an 29. The value of acceleration due to gravity (g) becomes $\left(\frac{g}{3}\right)$ at height ' $h$ ' above the earth's surf 30. A bicycle wheel of diameter ' $D$ ' has ' $N$ ' number of spokes. Wheel is rotating at the rate of ' $x$ ' revolutions p 31. Four thin rods of same mass M and same length L form a square as shown in figure. Moment of inertia of this system about 32. Two spherical black bodies of radius $\mathrm{R}_1$ and $\mathrm{R}_2$ with surface temperatures $\mathrm{T}_1$ and $\ma 33. A simple pendulum has mass 2 gram and charge $2 \mu \mathrm{C}$. In a uniform horizontal electric field of intensity $10 34. A mass ' $M$ ' is suspended from a spring of negligible mass. The spring is pulled a little and then released so that th 35. The energy of a photon is equal to the kinetic energy of proton. If $\lambda_1$ is the de-Broglie wavelength of a proton 36. In an adiabatic change, the pressure and temperature of a diatomic gas are related as $\mathrm{P} \propto \mathrm{T}^{\m 37. If $|\vec{A} \times \vec{B}|=\sqrt{3}(\vec{A} \cdot \vec{B})$ then the value of $|\vec{A}+\vec{B}|$ is $\left(\tan 60^{\ 38. In an interference experiment, the phase difference between the waves reaching a first dark point is 39. The magnetic field at the centre of a current carrying circular coil of area ' $A$ ' is ' $B$ '. The magnetic moment of 40. A capacitor of capacitance ' C ' is connected across a.c. source of voltage V as $\mathrm{V}=\mathrm{V}_0 \sin \omega \m 41. The series limit for the frequency of Balmer series is ' $\mathrm{v}_{\mathrm{B}}$ ', then the series limit frequency of 42. In Young's double slit experiment, the intensities at two points, for the path difference $\frac{\lambda}{4}$ and $\frac 43. A system is compressed adiabatically, then its temperature 44. A solenoid has core of a material with relative permeability 301 and its winding carries a current of 2 A . The number o 45. Two points on a travelling wave having frequency 500 Hz and velocity $300 \mathrm{~m} / \mathrm{s}$ are $30^{\circ}$ out 46. The charges are arranged at the four corners of square $A B C D$ of side ' $d$ ' as shown in figure. The work required t 47. If current ' i ' is passing through the solenoid of diameter ' $d$ ' having number of turns per unit length ' $n$ ', the 48. Force is applied to a body of mass 2 kg at rest on a frictionless horizontal surface as shown in the force against time 49. The order of (a) transformer (b) diode rectifier (c) filter (d) voltage regulator in a block diagram of simple rectifier 50. A simple harmonic progressive wave is given by $y=A \sin 2 \pi\left(n t-\frac{x}{\lambda}\right)$. If the wave velocity

MHT CET (PCB) 2025 9th April Morning Shift

MCQ (Single Correct Answer)

-0

If the shape of the liquid surface is curved, then the

pressure on the convex side is equal to the atmospheric pressure.

pressure on the convex side is equal to the pressure on the concave side.

pressure on the concave side is greater than that on the convex side.

pressure on the concave side is lesser than that on the convex side.

MHT CET (PCB) 2025 9th April Morning Shift

MCQ (Single Correct Answer)

-0

' n ' polarising sheets are arranged such that each makes an angle $45^{\circ}$ with the proceeding sheet. An unpolarised light of intensity I is incident into this arrangement. The output intensity is I/ 64 . The value of $n$ will be $\left(\cos 45^{\circ}=1 / \sqrt{2}\right)$

MHT CET (PCB) 2025 9th April Morning Shift

MCQ (Single Correct Answer)

-0

An alternating voltage $\mathrm{V}=100 \sqrt{2} \sin (50 \mathrm{t})$ is connected to $2 \mu \mathrm{~F}$ capacitor through a.c. ammeter. The reading of the ammeter is

20 mA

2 mA

10 mA

0.2 mA

MHT CET (PCB) 2025 9th April Morning Shift

MCQ (Single Correct Answer)

-0

A gas at $800^{\circ} \mathrm{C}$ is cooled until both its pressure and volume are halved. The final temperature of the gas will be

473 K

373.25 K

293.29 K

268.25 K