MHT CET (PCB) 2024 22th April Evening Shift | MHT CET (Biology) Year Wise Previous Years Questions

Biology

Chemistry

Physics

1. The centre of mass of a system of particles does NOT depend on 2. A blackbody at $1227^{\circ} \mathrm{C}$ emits radiation with maximum intensity at a wavelength of $5600 $$\mathop {\rm{ 3. A resistor of $400 \Omega$, an inductance of 0.4 H are in series with an a.c. source of e.m.f. $\mathrm{E}=200 \sqrt{2} 4. A plane wavefront of width ' $x$ ' is incident on an air-water interface and the corresponding refracted wavefront has a 5. The intermediate image formed by an objective lens of a compound microscope is 6. A solid sphere and a ring have equal mass and equal radius of gyration. If sphere is rotating about its diameter and rin 7. The third overtone of a closed pipe of length ' $\mathrm{L}_{\mathrm{c}}$ ' has the same frequency as the third overtone 8. To manufacture a solenoid of length ' $l$ ' and inductance ' $L$ ', the length of the thin wire required is (cross - sec 9. A soap bubble of radius $R$ is surrounded by another soap bubble of radius $2 R$ as shown in figure. The excess pressure 10. For a transistor, the current amplification factor ' $\alpha$ ' is 0.8 . The transistor is then connected in common emit 11. Three charges $Q,-2 q$ and $-2 q$ are placed at the vertices of an isosceles right-angled triangle as shown in figure. T 12. A spring has length ' $L$ ' and force constant ' $K$ '. It is cut into two springs of length ' $\mathrm{L}_1$ ' and ' $\ 13. The period of revolution of planet A around the sun is 8 times that of $B$. The distance of $A$ from the sun is how many 14. In Young's double slit experiment, fringe width is 1.4 mm with light of wavelength $6000 $$\mathop {\rm{A}}\limits^{\rm{ 15. Radioactive materials A and B have decay constants ' $9 \lambda$ ' and ' $\lambda$ ' respectively. Initially they have s 16. Two bodies A and B have their moments of inertia ' I ' and ' 2 I ' respectively about their axis of rotation. If their k 17. The flux linked with the coil at any instant ' t ' is given by $\phi=12 t^2-60 t+275$. The magnitude of induced e.m.f. a 18. Two sounding sources send waves at certain temperature in air of wavelength 60 cm and 60.6 cm respectively. The frequenc 19. An ideal gas of mass ' $M$ ' is in the state ' $A$ ' goes to another state B via three different processes. If $Q_1, Q_2 20. The magnitude of magnetic induction at a point on the axis at a large distance ' $r$ ' from the centre of a circular coi 21. In the series LCR circuit shown in figure, the impedance is 22. An ideal gas is heated from $27^{\circ} \mathrm{C}$ to $627^{\circ} \mathrm{C}$ at constant pressure. If initial volume 23. A large insulated sphere of radius ' $r$ ', charged with ' $Q$ ' units of electricity, is placed in contact with a small 24. A thin concavo-convex lens with convex face receiving incident rays has radii of curvatures 12 cm and 24 cm respectively 25. At two points on a horizontal tube of varying cross-section the radii are 1 cm and $\mathbf{0 . 4 ~ c m}$, velocities of 26. A simple harmonic progressive wave is given by equation $y=\operatorname{asin} 2 \pi\left(n t-\frac{x}{\lambda}\right)$. 27. $$ \text { In the following figure, the current } \mathrm{I} \text { is equal to } $$ 28. The work function of a photosensitive metallic surface is $h v_0$. If photons of energy (2.5) $h v_0$ fall on this surfa 29. A magnet having a magnetic dipole moment ' M is placed in two magnetic fields ' $\mathrm{B}_1$ ' and ' $\mathrm{B}_2$ ' 30. Two objects A and B are separated horizontally by distance ' a '. Object B moves in a direction perpendicular to distanc 31. Pressure of the gas remaining same, the temperature at which r. m. s. speed of the gas molecules is double its value at 32. In a single slit diffraction experiment, slit of width ' a ' and incident light of wavelength $5600 $$\mathop {\rm{A}}\l 33. If $R_1$ and $R_2$ are the radii of the atomic nuclei of mass numbers 27 and 125 respectively, then the ratio $R_2: R_1$ 34. By increasing the temperature, the electrical conductivity of a conductor and a semiconductor, 35. Water rises up to height ' $x$ ' in a capillary tube immersed vertically in water. When the whole arrangement is taken t 36. Three tuning forks $\mathrm{A}, \mathrm{B}$ and C have respective frequencies $\mathrm{n}_1, \mathrm{n}_2$ and $\mathrm{ 37. In the Davisson Germer experiment, the velocity of electrons emitted from the electron gun can be increased by 38. A circular coil carrying current ' $I$ ' has radius ' $R$ ' and magnetic field at the centre is ' $B$ '. At what distanc 39. A satellite of mass ' $m$ ' is orbiting the earth of radius ' $R$ ' at height ' $h$ ' from the surface of earth. The tot 40. Rods ' $A$ ', ' $B$ ' and ' $C$ ' are made of a paramagnetic, a ferromagnetic and a diamagnetic substance respectively. 41. To get an output $\mathrm{Y}=1$ in the given logic circuit, the correct choice for the input is 42. Which one of the following statements is false for a particle moving in a circle with constant angular speed? 43. An alternating current is given by $\mathrm{I}=100 \sin (50 \pi t)$. How many times will the current become zero in one 44. A particle starts from mean position and performs S.H.M. with period 6 second. At what time its kinetic energy is $50 \% 45. Rate of flow of heat through a cylindrical rod is $\mathrm{H}_1$. The temperature of the ends of the rod are ' $\mathrm{ 46. A coil of area $12 \mathrm{~cm}^2$ has 250 turns. Magnetic field of $0.2 \mathrm{~Wb} / \mathrm{m}^2$ is perpendicular t 47. For which of the following combinations of working temperatures, the efficiency of Carnot's engine is maximum? 48. A galvanometer of resistance ' $G$ ' is converted into an ammeter of resistance $\frac{\mathrm{G}}{40}$, by connecting a 49. The wrong statement out of the following statements is 50. The potentials at points A and B are $\mathrm{V}_{\mathrm{A}}$ and $\mathrm{V}_{\mathrm{B}}$ respectively for the charge

MHT CET (PCB) 2024 22th April Evening Shift

MCQ (Single Correct Answer)

-0

Match the parts of human eye in Column I with their respective characteristics in Column II.

Column I		Column II
i.	Fovea Centralis	a.	Thick, Muscular ring like structure at junction of choroid and iris.
ii.	Conjunctiva	b.	Area of retina from which the optic nerve and blood vessels leave the eyeball.
iii.	Blind spot	c.	Exposed, transparent part of sclera and cornea.
iv.	Ciliary body	d.	Place of formation of sharpest vision.