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
- 1In the following digital logic circuit, the output Y will be '1' for inputs
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- 2In which figure, the junction diode is forward biased?
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- 3A monoatomic ideal gas initially at temperature '' 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 ''. If '' and '' are the lengths [of the gas columns before and after expansion respectively, then is]
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- 4A 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?
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- 5A spherical metal ball of radius falls through a viscous liquid with terminal velocity . Another metal ball of the same material but of radius falls through the same liquid. Its terminal velocity will be
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- 6Select the correct statement from the following.
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- 7An 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 ( SI units)
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- 8A coil of 'n' turns and radius 'R' carries a current 'I'. It is unwound and rewound again to make another coil of radius , current remaining the same. The ratio of magnetic moment of the new coil to that of original coil is
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- 9For polyatomic gases, the ratio of molar specific heat at constant pressure to constant volume is ( degrees of freedom)
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- 10One of the slits in Young's double slit experiment is covered with a transparent sheet of thickness cm. The central fringe shifts to a position originally occupied by the 25th bright fringe. If Å, the refractive index of the sheet is
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- 11A 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 is
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- 12Two point charges '' and '' are separated by a distance ''. What is the increase in potential energy of the system when '' is moved towards '' by a distance ''?
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- 13An 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 radian. The value of the resistance (R) is []
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- 14SI unit of self inductance is
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- 15Select the WRONG statement from the following. In a streamline flow
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- 16The depth at which acceleration due to gravity becomes is ( radius of earth, acceleration due to gravity on earth's surface, n is integer)
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- 17The volume of a metal block increases by 0.225% when its temperature is increased by . Hence the coefficient of linear expansion of the material of metal block is
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- 18Two 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 ( SI units)
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- 19Compare the rate of loss of heat from a metal sphere at with the rate of loss of heat from the same sphere at , if the temperature of the surrounding is (nearly)
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- 20In 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 ''. 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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- 21The equation of wave motion is where is in metre and in second. The velocity of the wave is
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- 22Inductance per unit length near the middle of a long solenoid is ( permeability of free space, number of turns per unit length, the diameter of the solenoid)
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- 23A body of mass '' 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 ( gravitational acceleration)
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- 24Two different radioactive elements with half lives '' and '' have undecayed atoms '' and '' respectively present at a given instant. The ratio of their activities at that instant is
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- 25A black body radiates maximum energy at wavelength '' and its emissive power is ''. Now due to a change in temperature of that body, it radiates maximum energy at wavelength . At that temperature emissive power is
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- 26In a stationary lift, time period of a simple pendulum is 'T'. The lift starts accelerating downwards with acceleration , then the time period of the pendulum will be
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- 27A particle is moving in a circle with uniform speed ''. In moving from a point to another diametrically opposite point
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- 28When an inductor '' and a resistor '' 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 . The value of '' is
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- 29A ball is projected vertically upwards from ground. It reaches a height in time , continues its motion and then takes a time to reach ground. The height in terms of and is ( = acceleration due to gravity)
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- 30Two resistances and 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 is connected in series with the smaller of the two resistances and , the null point shifts to 40 cm from left end. The value of smaller resistance in ohm is
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- 31Three point charges and are placed at the vertices of a right angled isosceles triangle. The net electrostatic potential energy of the configuration is zero, if is equal to
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- 32End correction at open end for air column in a pipe of length is ''. For its second overtone of an open pipe, the wavelength of the wave is
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- 33In th second a particle describes angular displacement of '' rad. If it starts from rest, the angular acceleration is
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- 34An ink mark is made on a piece of paper on which a glass slab of thickness '' is placed. The ink mark appears to be raised up through a distance '' when viewed at nearly normal incidence. If the refractive index of the material of glass slab is '' then the thickness of glass slab is given by
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- 35Graph shows the variation of de-Broglie wavelength () versus where '' is the accelerating potential for four particles A, B, C, D carrying same charge but of masses . Which one represents a particle of largest mass?
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- 36A thin wire of length '' and uniform linear mass density '' 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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- 37A potentiometer wire of length 4 m and resistance is connected in series with a resistance of and a cell of e.m.f. 4 V with internal resistance . The length of 0.75 m on potentiometer wire balances the e.m.f. of
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- 38A simple pendulum is oscillating with frequency F on the surface of the earth. It is taken to a depth below the surface of earth ( radius of earth). The frequency of oscillation at depth is
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- 39The 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 and , is [, ]
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- 40Select the WRONG statement following. For an isothermal process
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- 41Eight small drops of mercury each of radius '' coalesce to form a large single drop. The ratio of total surface energy before and after the change is
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- 42A 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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- 43Resistor of , Inductor of and capacitor of pF are connected in series across a source of V. At resonance, voltage drop across inductor is
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- 44A body is projected vertically upwards from earth's surface of radius '' with velocity equal to rd of escape velocity. The maximum height reached by the body
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- 45Which one of the following statements is WRONG regarding LED?
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- 46An aircraft of wing span 40 m flies horizontally in earth's magnetic field 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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- 47When an electron is accelerated through a potential difference '', the de-Broglie wavelength associated with it is ''. When the accelerating potential is increased to , its wavelength will be
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- 48A glass prism deviates the red and violet rays through and respectively. A second prism of equal angle deviates them through and respectively. The ratio of dispersive power of second prism to first prism is
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- 49If 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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- 50In Balmer series, wavelength of the 2nd line is '', and for Paschen series, wavelength of the 1st line is ''; then the ratio '' to '' is
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Chemistry
50 questions
- 51Which among the following is NOT the feature of reversible process?
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- 52What is the change in oxidation number of Cr in the following redox reaction?
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- 53Which among the following statements is NOT true for LDPE?
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- 54Which of the following is not a globular protein?
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- 55Which of the following reactions is used for the conversion of alkyl chloride to alkyl iodide?
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- 56Calculate the edge length of simple cubic unit cell if radius of an atom is 167.3 pm.
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- 57Which from following coloured light has highest energy?
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- 58Which among the following is haloalkyne?
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- 59What is the solubility of if its solubility product is ?
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- 60Which of the following compounds has difficulty in breaking of C-X bond during nucleophilic substitution reaction?
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- 61Calculate for at if V
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- 62Which of the following gases is formed during oxidation of trichloromethane?
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- 63Which element from following possesses half filled d-orbital either in expected or in observed electronic configuration?
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- 64The 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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- 65A 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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- 66What 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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- 67What is IUPAC name of following compound?
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- 68Which from following functional groups is at the lowest order to decide principal functional group in polyfunctional compound?
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- 69Identify the reaction intermediate of following reaction: (i) ; (ii) ; overall:
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- 70What is the solubility of gas in water at if partial pressure is 0.346 bar? [Henry's law constant is mol dm⁻³ bar⁻¹]
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- 71Which from following polymers is grouped in the category of elastomers?
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- 72What is the mass of required to liberate dm³ oxygen at STP during thermal decomposition? (Molar Mass of g/mol)
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- 73What is the number of moles of donor atoms in mole of ?
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- 74Calculate the density of an element having molar mass g mol⁻¹ that forms FCC unit cell. [ cm³ mol⁻¹]
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- 75Which from following elements belongs to group 17 of periodic table?
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- 76Which from following formulae is of galena?
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- 77Which among the following is dicarboxylic acid?
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- 78Identify product B in the following reaction: Aniline A B + N₂↑
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- 79Which of the following compounds do not develop intermolecular hydrogen bonding?
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- 80Which of the following expressions represents molar conductivity of AB type electrolyte?
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- 81Which among the following is NOT an example of salt of strong acid and weak base?
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- 82What type of solid is ice?
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- 83A first order reaction takes minutes for decomposition. Calculate its rate constant.
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- 84The rate law for the reaction at is given by rate . Calculate the rate of reaction if rate constant at same temperature is mol⁻² dm⁶ s⁻¹, M, M
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- 85Which element from following is used for cancer treatment?
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- 86Equal masses of and are enclosed in a container at constant temperature. The ratio of partial pressure of to He is
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- 87Which of the following compounds is obtained by Rosenmund reduction of benzoyl chloride?
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- 88Equal masses in grams of and are enclosed in cylinders separately. If these gases expand isothermally and reversibly by dm³ at 300 K, the work done by gas is maximum for
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- 89What type of ligand does the EDTA is?
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- 90A conductivity cell containing M NaCl solution develops resistance 14000 ohms at . Calculate the conductivity of solution if the cell constant is cm⁻¹
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- 91A gas absorbs 150 J heat and expands by cm³ against a constant external pressure N m⁻². What is of the system?
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- 92Which of the following is correct IUPAC name of catechol?
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- 93Which from following nanoparticle catalysts is used in photocatalysis?
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- 94Crotonyl alcohol is an example of
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- 95What is the number of -OH groups present in one molecule of ribose?
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- 96If 0.15 m aqueous solution of KCl freezes at , calculate van't Hoff factor of KCl (cryoscopic constant of water is K kg mol⁻¹)
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- 97Select the correct increasing order of boiling points of alcohols, amines and carboxylic acids of comparable molar mass from the following.
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- 98What is the position of copper in long form of periodic table?
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- 99What is the radius of fourth orbit of hydrogen atom?
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- 100What is bond order of molecule?
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