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MHT-CET 2024 (12 May Shift 2), Paper II, Physics & Chemistry question paper

100 questions · 100 marks · 90 minutes · +1 per correct answer, no negative marking

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Physics

50 questions

  1. 1
    In the following digital logic circuit, the output Y will be '1' for inputs

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  2. 2
    In which figure, the junction diode is forward biased?

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  3. 3
    A monoatomic ideal gas initially at temperature 'T1T_1' is enclosed in a cylinder fitted with massless frictionless piston. By releasing the piston suddenly the gas is allowed to expand adiabatically to a temperature 'T2T_2'. If 'L1L_1' and 'L2L_2' are the lengths [of the gas columns before and after expansion respectively, then T2T1\frac{T_2}{T_1} is]

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  4. 4
    A particle starts from mean position and performs S.H.M. with period 4 second. At what time its kinetic energy is 50% of total energy? (cos⁡45∘=12)\left(\cos 45^\circ = \frac{1}{\sqrt{2}}\right)

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  5. 5
    A spherical metal ball of radius rr falls through a viscous liquid with terminal velocity VV. Another metal ball of the same material but of radius r3\frac{r}{3} falls through the same liquid. Its terminal velocity will be

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  6. 6
    Select the correct statement from the following.

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  7. 7
    An electron makes a full rotation in a circle of radius 0.8 m in one second. The magnetic field at the centre of the circle is (μ0=4π×10−7\mu_0 = 4\pi \times 10^{-7} SI units)

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  8. 8
    A coil of 'n' turns and radius 'R' carries a current 'I'. It is unwound and rewound again to make another coil of radius R3\frac{R}{3}, current remaining the same. The ratio of magnetic moment of the new coil to that of original coil is

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  9. 9
    For polyatomic gases, the ratio of molar specific heat at constant pressure to constant volume is (f=f = degrees of freedom)

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  10. 10
    One of the slits in Young's double slit experiment is covered with a transparent sheet of thickness 2.9×10−32.9 \times 10^{-3} cm. The central fringe shifts to a position originally occupied by the 25th bright fringe. If λ=5800\lambda = 5800 Å, the refractive index of the sheet is

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  11. 11
    A tuning fork of frequency 220 Hz produces sound waves of wavelength 1.5 m in air at N.T.P. The increase in wavelength when the temperature of air is 27°C27°C is

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  12. 12
    Two point charges 'q1q_1' and 'q2q_2' are separated by a distance 'dd'. What is the increase in potential energy of the system when 'q2q_2' is moved towards 'q1q_1' by a distance 'xx'? (x<d),  14πϵ0=K(x < d),\; \frac{1}{4\pi\epsilon_0} = K

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  13. 13
    An a.c. source of 15 V, 50 Hz is connected across an inductor (L) and a resistance (R) in series. An r.m.s. current of 0.5 A flows in the circuit. The phase difference between the applied voltage and the current is π3\frac{\pi}{3} radian. The value of the resistance (R) is [tan⁡60∘=3\tan 60^\circ = \sqrt{3}]

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  14. 14
    SI unit of self inductance is

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  15. 15
    Select the WRONG statement from the following. In a streamline flow

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  16. 16
    The depth at which acceleration due to gravity becomes g2n\frac{g}{2n} is (R=R = radius of earth, g=g = acceleration due to gravity on earth's surface, n is integer)

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  17. 17
    The volume of a metal block increases by 0.225% when its temperature is increased by 30°C30°C. Hence the coefficient of linear expansion of the material of metal block is

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  18. 18
    Two concentric circular coils of 10 turns each are situated in the same plane. Their radii are 20 cm and 40 cm and they carry respectively 0.2 A and 0.3 A current in opposite direction. The magnetic field at the centre is (μ0=4π×10−7\mu_0 = 4\pi \times 10^{-7} SI units)

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  19. 19
    Compare the rate of loss of heat from a metal sphere at 627°C627°C with the rate of loss of heat from the same sphere at 327°C327°C, if the temperature of the surrounding is 27°C27°C (nearly)

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  20. 20
    In Young's double slit experiment when a glass plate of refractive index 1.44 is introduced in the path of one of the interfering beams, the fringes are displaced by a distance 'yy'. If this plate is replaced by another plate of same thickness but of refractive index 1.66, the fringes will be displaced by a distance

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  21. 21
    The equation of wave motion is Y=5sin⁡(10πt−0.02x+π3)Y = 5\sin\left(10\pi t - 0.02x + \frac{\pi}{3}\right) where xx is in metre and tt in second. The velocity of the wave is

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  22. 22
    Inductance per unit length near the middle of a long solenoid is (μ0=\mu_0 = permeability of free space, n=n = number of turns per unit length, d=d = the diameter of the solenoid)

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  23. 23
    A body of mass 'mm' attached at the end of a string is just completing the loop in a vertical circle. The apparent weight of the body at the lowest point in its path is (g=g = gravitational acceleration)

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  24. 24
    Two different radioactive elements with half lives 'T1T_1' and 'T2T_2' have undecayed atoms 'N1N_1' and 'N2N_2' respectively present at a given instant. The ratio of their activities at that instant is

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  25. 25
    A black body radiates maximum energy at wavelength 'λ\lambda' and its emissive power is 'EE'. Now due to a change in temperature of that body, it radiates maximum energy at wavelength λ3\frac{\lambda}{3}. At that temperature emissive power is

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  26. 26
    In a stationary lift, time period of a simple pendulum is 'T'. The lift starts accelerating downwards with acceleration g4\frac{g}{4}, then the time period of the pendulum will be

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  27. 27
    A particle is moving in a circle with uniform speed 'vv'. In moving from a point to another diametrically opposite point

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  28. 28
    When an inductor 'LL' and a resistor 'RR' in series are connected across a 15 V, 50 Hz a.c. supply, a current of 0.3 A flows in the circuit. The current differs in phase from the applied voltage by π3\dfrac{\pi}{3}. The value of 'RR' is

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  29. 29
    A ball is projected vertically upwards from ground. It reaches a height hh in time t1t_1, continues its motion and then takes a time t2t_2 to reach ground. The height hh in terms of g,t1g, t_1 and t2t_2 is (gg = acceleration due to gravity)

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  30. 30
    Two resistances XX and YY are connected in the two gaps of meter bridge and the null point is obtained at 20 cm from zero end. When the resistance of 20 Ω20\,\Omega is connected in series with the smaller of the two resistances XX and YY, the null point shifts to 40 cm from left end. The value of smaller resistance in ohm is

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  31. 31
    Three point charges +Q,+2q+Q, +2q and +q+q are placed at the vertices of a right angled isosceles triangle. The net electrostatic potential energy of the configuration is zero, if QQ is equal to

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  32. 32
    End correction at open end for air column in a pipe of length ll is 'ee'. For its second overtone of an open pipe, the wavelength of the wave is

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  33. 33
    In ppth second a particle describes angular displacement of 'β\beta' rad. If it starts from rest, the angular acceleration is

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  34. 34
    An ink mark is made on a piece of paper on which a glass slab of thickness 'tt' is placed. The ink mark appears to be raised up through a distance 'xx' when viewed at nearly normal incidence. If the refractive index of the material of glass slab is 'μ\mu' then the thickness of glass slab is given by

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  35. 35
    Graph shows the variation of de-Broglie wavelength (λ\lambda) versus 1v\frac{1}{\sqrt{v}} where 'vv' is the accelerating potential for four particles A, B, C, D carrying same charge but of masses m1,m2,m3,m4m_1, m_2, m_3, m_4. Which one represents a particle of largest mass?

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  36. 36
    A thin wire of length 'LL' and uniform linear mass density 'mm' is bent into a circular coil. The moment of inertia of this coil about tangential axis and the plane of the coil is

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  37. 37
    A potentiometer wire of length 4 m and resistance 5 Ω5\,\Omega is connected in series with a resistance of 992 Ω992\,\Omega and a cell of e.m.f. 4 V with internal resistance 3 Ω3\,\Omega. The length of 0.75 m on potentiometer wire balances the e.m.f. of

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  38. 38
    A simple pendulum is oscillating with frequency F on the surface of the earth. It is taken to a depth below the surface of earth (R=R = radius of earth). The frequency of oscillation at depth R/3R/3 is

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  39. 39
    The ratio of the intensities at two points on a screen in Young's double slit experiment, where the waves from the two slits have a path difference of λ4\frac{\lambda}{4} and λ6\frac{\lambda}{6}, is [cos⁡90∘=0\cos 90^\circ = 0, cos⁡60∘=0.5\cos 60^\circ = 0.5]

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  40. 40
    Select the WRONG statement following. For an isothermal process

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  41. 41
    Eight small drops of mercury each of radius 'rr' coalesce to form a large single drop. The ratio of total surface energy before and after the change is

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  42. 42
    A tuning fork gives 3 beats with 50 cm length of sonometer wire. If the length of the wire is shortened by 1 cm, the number of beats is still the same. The frequency of the fork is

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  43. 43
    Resistor of 2 Ω2\,\Omega, Inductor of 100 μH100\,\mu H and capacitor of 400400 pF are connected in series across a source of erms=0.1e_{rms} = 0.1 V. At resonance, voltage drop across inductor is

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  44. 44
    A body is projected vertically upwards from earth's surface of radius 'RR' with velocity equal to 13\frac{1}{3}rd of escape velocity. The maximum height reached by the body

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  45. 45
    Which one of the following statements is WRONG regarding LED?

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  46. 46
    An aircraft of wing span 40 m flies horizontally in earth's magnetic field 5×10−55 \times 10^{-5} T at a speed of 500 m/s. The e.m.f. generated between the tips of the wings of the aircraft is

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  47. 47
    When an electron is accelerated through a potential difference 'VV', the de-Broglie wavelength associated with it is 'λ\lambda'. When the accelerating potential is increased to 4V4V, its wavelength will be

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  48. 48
    A glass prism deviates the red and violet rays through 9°9° and 11°11° respectively. A second prism of equal angle deviates them through 11°11° and 13°13° respectively. The ratio of dispersive power of second prism to first prism is

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  49. 49
    If the charge on the capacitor is increased by 3 coulomb, the energy stored in it increases by 44%. The original charge on the capacitor is

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  50. 50
    In Balmer series, wavelength of the 2nd line is 'λ1\lambda_1', and for Paschen series, wavelength of the 1st line is 'λ2\lambda_2'; then the ratio 'λ1\lambda_1' to 'λ2\lambda_2' is

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Chemistry

50 questions

  1. 51
    Which among the following is NOT the feature of reversible process?

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  2. 52
    What is the change in oxidation number of Cr in the following redox reaction? 3H2O2(aq)+Cr2O72−(aq)+8H+(aq)→3O2(g)+2Cr3++7H2O3H_2O_2(aq) + Cr_2O_7^{2-}(aq) + 8H^+(aq) \rightarrow 3O_2(g) + 2Cr^{3+} + 7H_2O

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  3. 53
    Which among the following statements is NOT true for LDPE?

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  4. 54
    Which of the following is not a globular protein?

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  5. 55
    Which of the following reactions is used for the conversion of alkyl chloride to alkyl iodide?

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  6. 56
    Calculate the edge length of simple cubic unit cell if radius of an atom is 167.3 pm.

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  7. 57
    Which from following coloured light has highest energy?

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  8. 58
    Which among the following is haloalkyne?

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  9. 59
    What is the solubility of AgCl(s)AgCl(s) if its solubility product is 1.6×10−101.6 \times 10^{-10}?

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  10. 60
    Which of the following compounds has difficulty in breaking of C-X bond during nucleophilic substitution reaction?

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  11. 61
    Calculate EcellE_{cell} for Zn(s)∣Zn2+(0.1 M)∥Cr3+(0.1 M)∣Cr(s)Zn(s) | Zn^{2+} (0.1\,M) \| Cr^{3+} (0.1\,M) | Cr(s) at 25°C25°C if E°cell=0.02E°_{cell} = 0.02 V

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  12. 62
    Which of the following gases is formed during oxidation of trichloromethane?

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  13. 63
    Which element from following possesses half filled d-orbital either in expected or in observed electronic configuration?

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  14. 64
    The partial vapour pressure of any volatile component of a solution is equal to the vapour pressure of the pure component multiplied by its mole fraction in the solution is called

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  15. 65
    A buffer solution is prepared by mixing 0.01 M weak acid and 0.05 M solution of a salt of weak acid and strong base. What is the pH of buffer solution? (pKa = 4.74)

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  16. 66
    What is the number of moles of 'C' atoms present in n mole molecule of alkane if it exhibits three structural isomers?

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  17. 67
    What is IUPAC name of following compound?

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  18. 68
    Which from following functional groups is at the lowest order to decide principal functional group in polyfunctional compound?

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  19. 69
    Identify the reaction intermediate of following reaction: (i) 2SO2(g)+2NO2(g)→2SO3(g)+2NO2SO_2(g) + 2NO_2(g) \rightarrow 2SO_3(g) + 2NO; (ii) 2NO(g)+O2(g)→2NO2(g)2NO(g) + O_2(g) \rightarrow 2NO_2(g); overall: 2SO2(g)+O2(g)→2SO3(g)2SO_2(g) + O_2(g) \rightarrow 2SO_3(g)

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  20. 70
    What is the solubility of gas in water at 25°C25°C if partial pressure is 0.346 bar? [Henry's law constant is 0.1590.159 mol dm⁻³ bar⁻¹]

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  21. 71
    Which from following polymers is grouped in the category of elastomers?

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  22. 72
    What is the mass of KClO3(s)KClO_3(s) required to liberate 22.422.4 dm³ oxygen at STP during thermal decomposition? (Molar Mass of KClO3=122.5KClO_3 = 122.5 g/mol)

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  23. 73
    What is the number of moles of donor atoms in nn mole of NO2NO_2?

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  24. 74
    Calculate the density of an element having molar mass 2727 g mol⁻¹ that forms FCC unit cell. [a3NA=38.5a^3 N_A = 38.5 cm³ mol⁻¹]

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  25. 75
    Which from following elements belongs to group 17 of periodic table?

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  26. 76
    Which from following formulae is of galena?

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  27. 77
    Which among the following is dicarboxylic acid?

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  28. 78
    Identify product B in the following reaction: Aniline →NaNO2+HCl,273K\xrightarrow{NaNO_2+HCl, 273K} A →H2O,Δ\xrightarrow{H_2O, \Delta} B + N₂↑

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  29. 79
    Which of the following compounds do not develop intermolecular hydrogen bonding?

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  30. 80
    Which of the following expressions represents molar conductivity of AB3_3 type electrolyte?

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  31. 81
    Which among the following is NOT an example of salt of strong acid and weak base?

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  32. 82
    What type of solid is ice?

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  33. 83
    A first order reaction takes 23.0323.03 minutes for 20%20\% decomposition. Calculate its rate constant.

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  34. 84
    The rate law for the reaction A+B→CA + B \rightarrow C at 25°C25°C is given by rate =k[A][B]2= k[A][B]^2. Calculate the rate of reaction if rate constant at same temperature is 6.256.25 mol⁻² dm⁶ s⁻¹, [A]=1[A] = 1 M, [B]=0.2[B] = 0.2 M

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  35. 85
    Which element from following is used for cancer treatment?

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  36. 86
    Equal masses of H2(g)H_2(g) and He(g)He(g) are enclosed in a container at constant temperature. The ratio of partial pressure of H2H_2 to He is

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  37. 87
    Which of the following compounds is obtained by Rosenmund reduction of benzoyl chloride?

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  38. 88
    Equal masses in grams of H2,N2,Cl2H_2, N_2, Cl_2 and O2O_2 are enclosed in cylinders separately. If these gases expand isothermally and reversibly by 1010 dm³ at 300 K, the work done by gas is maximum for

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  39. 89
    What type of ligand does the EDTA is?

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  40. 90
    A conductivity cell containing 5×10−45 \times 10^{-4} M NaCl solution develops resistance 14000 ohms at 25°C25°C. Calculate the conductivity of solution if the cell constant is 0.840.84 cm⁻¹

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  41. 91
    A gas absorbs 150 J heat and expands by 300300 cm³ against a constant external pressure 2×1052 \times 10^5 N m⁻². What is ΔU\Delta U of the system?

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  42. 92
    Which of the following is correct IUPAC name of catechol?

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  43. 93
    Which from following nanoparticle catalysts is used in photocatalysis?

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  44. 94
    Crotonyl alcohol is an example of

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  45. 95
    What is the number of -OH groups present in one molecule of ribose?

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  46. 96
    If 0.15 m aqueous solution of KCl freezes at −0.51°C-0.51°C, calculate van't Hoff factor of KCl (cryoscopic constant of water is 1.861.86 K kg mol⁻¹)

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  47. 97
    Select the correct increasing order of boiling points of alcohols, amines and carboxylic acids of comparable molar mass from the following.

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  48. 98
    What is the position of copper in long form of periodic table?

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  49. 99
    What is the radius of fourth orbit of hydrogen atom?

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  50. 100
    What is bond order of F2F_2 molecule?

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