MHT-CET 2023 (2 May Shift 2), Paper II, Physics & Chemistry question paper

1. A.
   ferromagnetic domains are perfectly arranged.
2. B.
   ferromagnetic domains become random.
3. C.
   ferromagnetic domains are not influenced.
4. D.
   ferromagnetic material changes itself into diamagnetic material.

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1. A.
   threshold frequency $v_0$
2. B.
   intensity of light (I)
3. C.
   frequency of light (v)
4. D.
   work function $\phi_0$

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1. A.
   0.6 W
2. B.
   W
3. C.
   1.25 W
4. D.
   1.67 W

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1. A.
   $W = \pi r^2 T$
2. B.
   $W = 2\pi^2 rT$
3. C.
   $W = \frac{4}{3}\pi^2 rT$
4. D.
   $W = 2\pi rT$

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1. A.
   $\frac{2R}{\sqrt{15}}$
2. B.
   $\sqrt{\frac{2}{15}}\,R$
3. C.
   $\frac{4R}{\sqrt{15}}$
4. D.
   $\frac{R}{4}$

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1. A.
   $H_2 = 4H_1$
2. B.
   $H_2 = 2H_1$
3. C.
   $H_2 = \frac{H_1}{2}$
4. D.
   $H_2 = \frac{H_1}{4}$

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1. A.
   3:1
2. B.
   4:1
3. C.
   1:3
4. D.
   1:4

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1. A.
   0.1 H
2. B.
   1 mH
3. C.
   1 H
4. D.
   10 mH

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1. A.
   at resonance, impedance of the circuit is zero.
2. B.
   at resonance, impedance of the circuit is 12 $\Omega$.
3. C.
   the resonant frequency of the circuit is $\frac{1}{2\pi}$.
4. D.
   the inductive reactance is less than the capacitive reactance.

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1. A.
   $\frac{24Rh}{25m}$
2. B.
   $\frac{25Rh}{24m}$
3. C.
   $\frac{25m}{24Rh}$
4. D.
   $\frac{24m}{25Rh}$

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1. A.
   no change in diffraction pattern.
2. B.
   diffraction bands become narrow and crowded together.
3. C.
   diffraction bands become broader and farther apart.
4. D.
   bands disappear.

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1. A.
   50 Hz
2. B.
   200 Hz
3. C.
   500 Hz
4. D.
   20 Hz

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1. A.
   Electric lines of force originate from a -vely charged object and terminate on a +vely charged object.
2. B.
   The electric lines of force do not pass through an insulator but can pass through a conductor.
3. C.
   The electric lines of force do not intersect each other.
4. D.
   Electric intensity is small in a region where the lines of force are crowded.

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1. A.
   depletion of positive charges near the junction.
2. B.
   accumulation of positive charges near the junction.
3. C.
   depletion of negative charges near the junction.
4. D.
   accumulation of positive and negative charges near the junction.

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1. A.
   $\frac{2g}{3}$
2. B.
   $\frac{5g}{14}$
3. C.
   $\frac{g}{3}$
4. D.
   $\frac{5g}{7}$

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1. A.
   $\frac{V}{2}$
2. B.
   $V\sqrt{2}$
3. C.
   $2V$
4. D.
   $4V$

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1. A.
   $\frac{l_1}{l_1 + l_2}$
2. B.
   $\frac{l_1}{l_1 - l_2}$
3. C.
   $\frac{l_1 + l_2}{l_1}$
4. D.
   $\frac{l_1 + l_2}{l_1 - l_2}$

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1. A.
   OR gate
2. B.
   NOR gate
3. C.
   XOR gate
4. D.
   NAND gate

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1. A.
   pressure is constant.
2. B.
   volume is constant.
3. C.
   temperature is constant.
4. D.
   internal energy is constant.

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1. A.
   $(n-1)f$
2. B.
   $\frac{n-1}{n}f$
3. C.
   $\frac{n+1}{n}f$
4. D.
   $(n+1)f$

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1. A.
   $\frac{\omega^2 R^2 d}{2}$
2. B.
   $\frac{\omega^2 R d}{2}$
3. C.
   $\frac{\omega R d^2}{2}$
4. D.
   $\frac{\omega^2 R^2 d^2}{2}$

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1. A.
   stationary longitudinal.
2. B.
   stationary transverse.
3. C.
   progressive transverse.
4. D.
   progressive longitudinal.

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1. A.
   -20 cm
2. B.
   -40 cm
3. C.
   -60 cm
4. D.
   -80 cm

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1. A.
   $24\,\Omega$
2. B.
   $36\,\Omega$
3. C.
   $12\,\Omega$
4. D.
   $6\,\Omega$

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1. A.
   35 mA
2. B.
   25 mA
3. C.
   15 mA
4. D.
   5 mA

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1. A.
   800 N
2. B.
   2800 N
3. C.
   4200 N
4. D.
   2000 N

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1. A.
   0.021
2. B.
   0.048
3. C.
   0.056
4. D.
   0.084

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1. A.
   $1:2$
2. B.
   $1:\sqrt{2}$
3. C.
   $\sqrt{2}:1$
4. D.
   $2:1$

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1. A.
   3:1
2. B.
   4:1
3. C.
   9:1
4. D.
   10:1

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1. A.
   zero.
2. B.
   proportional to V.
3. C.
   proportional to $V^{-1}$.
4. D.
   finite but does not depend on V.

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1. A.
   375 m
2. B.
   360 m
3. C.
   40 m
4. D.
   25 m

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1. A.
   $\frac{V_1}{V-V_1}n$
2. B.
   $\frac{V_1-V}{V+V_1}n$
3. C.
   $\frac{V+V_1}{V-V_1}n$
4. D.
   $\frac{V-V_1}{V+V_1}n$

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1. A.
   $\frac{x\lambda}{2}$
2. B.
   $\frac{x+1}{2}\cdot\frac{\lambda}{2}$
3. C.
   $\frac{(x+1)\lambda}{2}$
4. D.
   $\frac{(x-1)\lambda}{2}$

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1. A.
   9 cm
2. B.
   7 cm
3. C.
   5 cm
4. D.
   3 cm

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1. A.
   Acceleration of electron in $n=2$ orbit is less than that in $n=1$ orbit.
2. B.
   Angular momentum of electron in $n=2$ orbit is more than that in $n=1$ orbit.
3. C.
   Kinetic energy of electron in $n=2$ orbit is less than that in $n=1$ orbit.
4. D.
   Potential energy of electron in $n=2$ orbit is less than that in $n=1$ orbit.

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1. A.
   0.8 mm
2. B.
   0.12 mm
3. C.
   0.10 mm
4. D.
   0.08 mm

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1. A.
   5 A
2. B.
   3 A
3. C.
   -3 A
4. D.
   $-\frac{5}{6}$ A

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1. A.
   isothermal expansion.
2. B.
   adiabatic expansion.
3. C.
   isothermal compression.
4. D.
   adiabatic compression.

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1. A.
   $h:R$
2. B.
   $h:2R$
3. C.
   $R:h$
4. D.
   $2h:R$

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1. A.
   increase the magnetic field.
2. B.
   increase the level of magnetic saturation of the core.
3. C.
   reduce the residual magnetism in the core.
4. D.
   reduce eddy current.

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1. A.
   $47^\circ\text{C}$
2. B.
   $132^\circ\text{C}$
3. C.
   $320^\circ\text{C}$
4. D.
   $405^\circ\text{C}$

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1. A.
   $\frac{n_1}{n_1 - n_2}$
2. B.
   $\frac{n_2}{n_1 - n_2}$
3. C.
   $\frac{n_1^2}{n_1^2 - n_2^2}$
4. D.
   $\frac{n_2^2}{n_1^2 - n_2^2}$

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1. A.
   $\sqrt{E_x^2 + E_y^2}$
2. B.
   $E_x - E_y$
3. C.
   $E_x + E_y$
4. D.
   $E_x + E_y + 2\sqrt{E_x E_y}$

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1. A.
   $\frac{Qt}{C}$
2. B.
   $\frac{Q}{Ct}$
3. C.
   $\frac{CQ}{t}$
4. D.
   $\frac{Ct}{Q}$

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1. A.
   $\frac{q^2}{d^2}$
2. B.
   $\frac{q}{d}$
3. C.
   $\frac{d}{q}$
4. D.
   $\frac{d^2}{q^2}$

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1. A.
   33 gram wt.
2. B.
   30 gram wt.
3. C.
   20 gram wt.
4. D.
   15 gram wt.

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1. A.
   $3.2 \times 10^{-19}\,\text{J}$
2. B.
   $1.6 \times 10^{-19}\,\text{J}$
3. C.
   $1.6 \times 10^{-18}\,\text{J}$
4. D.
   $0\,\text{J}$

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1. A.
   accelerate neutrons.
2. B.
   accelerate positively charged particles only.
3. C.
   accelerate negatively charged particles only.
4. D.
   accelerate positively and negatively charged particles.

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1. A.
   $2$
2. B.
   $\sqrt{2}$
3. C.
   $2\sqrt{2}$
4. D.
   $\frac{1}{\sqrt{2}}$

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1. A.
   $mg$
2. B.
   $3mg$
3. C.
   $5mg$
4. D.
   $6mg$

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1. A.
   4s
2. B.
   3s
3. C.
   4p
4. D.
   2p

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1. A.
   n
2. B.
   3n
3. C.
   2n
4. D.
   4n

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1. A.
   Propionic acid
2. B.
   Oxalic acid
3. C.
   Malonic acid
4. D.
   Citric acid

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1. A.
   $\log_{10} A$
2. B.
   $\frac{2.303R}{E_a}$
3. C.
   $\frac{-E_a}{2.303R}$
4. D.
   $-\log_{10} A$

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1. A.
   ICl
2. B.
   BrCl
3. C.
   BrF
4. D.
   ClF

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1. A.
   Ammonia
2. B.
   Ethylamine
3. C.
   Diethylamine
4. D.
   Triethylamine

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1. A.
   1st
2. B.
   3rd
3. C.
   7th
4. D.
   9th

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1. A.
   $0.0136\,\text{cm}^{-1}$
2. B.
   $0.0618\,\text{cm}^{-1}$
3. C.
   $0.0196\,\text{cm}^{-1}$
4. D.
   $0.0731\,\text{cm}^{-1}$

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1. A.
   10%
2. B.
   30%
3. C.
   60%
4. D.
   90%

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1. A.
   $\text{HClO}_4$
2. B.
   $\text{HClO}_2$
3. C.
   $\text{HClO}_3$
4. D.
   $\text{HCl}$

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1. A.
   Lactose
2. B.
   Raffinose
3. C.
   Amylose
4. D.
   Stachyose

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1. A.
   $1 \times 10^{-5}$
2. B.
   $1.5 \times 10^{-5}$
3. C.
   $2.0 \times 10^{-5}$
4. D.
   $3.0 \times 10^{-5}$

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1. A.
   $\text{C}_6\text{H}_5\text{NHC}_2\text{H}_5$
2. B.
   $(\text{C}_2\text{H}_5)_3\text{N}$
3. C.
   $(\text{CH}_3)_3\text{N}$
4. D.
   $\text{C}_6\text{H}_5\text{N(CH}_3)_2$

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1. A.
   $\text{Pb(s)}$ is reduced
2. B.
   $\text{H}_2\text{SO}_4$ is consumed
3. C.
   $\text{PbSO}_4$ is consumed
4. D.
   $\text{PbO}_2$ is produced

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1. A.
   The boiling point of solution containing non-volatile solute is always higher than pure solvent.
2. B.
   At any temperature the vapour pressure of solution containing non-volatile solute is lower than that of pure solvent.
3. C.
   The boiling point of liquid is the temperature at which its vapour pressure equals atmospheric pressure.
4. D.
   The molal elevation constant is the boiling point elevation produced by 1 molar solution.

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1. A.
   Making bristles of brushes.
2. B.
   To obtain orlon.
3. C.
   To obtain electric insulators.
4. D.
   To obtain terywool.

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1. A.
   $9.635 \times 10^{-5}$
2. B.
   $9.012 \times 10^{-5}$
3. C.
   $8.281 \times 10^{-5}$
4. D.
   $7.816 \times 10^{-5}$

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1. A.
   Resorcinol and pyrogallol
2. B.
   Quinol and phloroglucinol
3. C.
   Phloroglucinol and pyrogallol
4. D.
   Catechol and quinol

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1. A.
   Barium chloride
2. B.
   Barium sulphate
3. C.
   Barium sulphide
4. D.
   Barium nitrate

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1. A.
   200 J
2. B.
   300 J
3. C.
   400 J
4. D.
   100 J

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1. A.
   60 g
2. B.
   74 g
3. C.
   138 g
4. D.
   80 g

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1. A.
   2-Chloropropane
2. B.
   2-Chloro-2-methylbutane
3. C.
   3-Chloro-3-methylbutane
4. D.
   3-Chloropentane

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1. A.
   Diamond
2. B.
   Graphite
3. C.
   Sodium
4. D.
   Metallic glass

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1. A.
   $\text{C}_2\text{H}_2$
2. B.
   $\text{CH}_4$
3. C.
   $\text{BeCl}_2$
4. D.
   $\text{BF}_3$

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1. A.
   $PV = 1.5RT$
2. B.
   $PV = RT$
3. C.
   $PV = 2RT$
4. D.
   $PV = 3RT$

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1. A.
   Urea formaldehyde resin
2. B.
   Polystyrene
3. C.
   Polyesters
4. D.
   Polyamides

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1. A.
   1-Methoxy-2,2-dimethylcyclobutane
2. B.
   1-Methoxy-4,4-dimethylcyclobutane
3. C.
   2-Methoxy-1,1-dimethylcyclobutane
4. D.
   2,2-Dimethylcyclobutoxymethane

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1. A.
   $R$
2. B.
   Zero
3. C.
   $\frac{3}{2}R$
4. D.
   $\frac{5}{2}R$

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1. A.
   Nano wires
2. B.
   Microcapsules
3. C.
   Quantum dots
4. D.
   Nano rings

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1. A.
   3-Bromo-4-ethylbut-3-ene
2. B.
   3-Bromo-4-methylhex-3-ene
3. C.
   4-Bromo-3-methylhex-3-ene
4. D.
   4-Bromo-4-ethyl-3-methylbut-3-ene

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1. A.
   285.0 pm
2. B.
   67.2 pm
3. C.
   190.0 pm
4. D.
   82.3 pm

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1. A.
   1
2. B.
   2
3. C.
   3
4. D.
   4

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1. A.
   $3.0 \times 10^{2}$ mole
2. B.
   $1.8 \times 10^{2}$ mole
3. C.
   $2.4 \times 10^{2}$ mole
4. D.
   $4.8 \times 10^{2}$ mole

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1. A.
   125 kJ
2. B.
   -125 kJ
3. C.
   250 kJ
4. D.
   -250 kJ

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1. A.
   Phenylhydrazone
2. B.
   Ethylbenzene
3. C.
   n-propylbenzene
4. D.
   Isopropylbenzene

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1. A.
   Pm
2. B.
   Er
3. C.
   Yb
4. D.
   Hf

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1. A.
   $0.07\,\text{mol dm}^{-3}\,\text{s}^{-1}$
2. B.
   $1.4\,\text{mol dm}^{-3}\,\text{s}^{-1}$
3. C.
   $2.8\,\text{mol dm}^{-3}\,\text{s}^{-1}$
4. D.
   $3.5\,\text{mol dm}^{-3}\,\text{s}^{-1}$

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1. A.
   1,2-Dichlorobenzene
2. B.
   1,3-Dichlorobenzene
3. C.
   1,4-Dichlorocyclohexane
4. D.
   1,4-Dichlorobenzene

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1. A.
   36
2. B.
   29
3. C.
   30
4. D.
   35

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1. A.
   $1.5 \times 10^{22}$
2. B.
   $3.0 \times 10^{22}$
3. C.
   $4.5 \times 10^{22}$
4. D.
   $6.0 \times 10^{22}$

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1. A.
   1.304
2. B.
   1.432
3. C.
   1.123
4. D.
   1.882

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1. A.
   $4.6 \times 10^{-24}\,\text{kg ms}^{-1}$
2. B.
   $1.1 \times 10^{-24}\,\text{kg ms}^{-1}$
3. C.
   $3.18 \times 10^{-24}\,\text{kg ms}^{-1}$
4. D.
   $6.36 \times 10^{-24}\,\text{kg ms}^{-1}$

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1. A.
   $\text{Cl}^-$
2. B.
   $\text{NH}_3$
3. C.
   $\text{NH}_4^+$
4. D.
   $\text{HCl}$

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1. A.
   $\text{R-COCl} \xrightarrow{\text{H}_2,\ \text{Pd-BaSO}_4} \text{R-CHO} + \text{HCl}$
2. B.
   $\text{R-CN} \xrightarrow[\text{H}_3\text{O}^+]{\text{SnCl}_2,\ \text{HCl}} \text{R-CHO} + \text{NH}_4\text{Cl}$
3. C.
   $\text{R-CHO} \xrightarrow[\Delta]{\text{Zn-Hg},\ \text{conc. HCl}} \text{R-CH}_3 + \text{H}_2\text{O}$
4. D.
   $\text{R-CO-R} \xrightarrow[\text{(ii) KOH},\ \Delta,\ \text{HO-(CH}_2)_2\text{-OH}]{\text{(i) H}_2\text{N-NH}_2} \text{R-CH}_2\text{-R}$

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1. A.
   $\text{MnO}_2$
2. B.
   Mo/Fe
3. C.
   Co-Th
4. D.
   Fe-Cr

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1. A.
   7.5 minute
2. B.
   15 minute
3. C.
   30 minute
4. D.
   60 minute

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1. A.
   9665 C
2. B.
   19300 C
3. C.
   14500 C
4. D.
   96500 C

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1. A.
   Neopentane
2. B.
   2-Methylbutane
3. C.
   2-Methylpropane
4. D.
   2,2-Dimethylpropane

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1. A.
   6
2. B.
   12
3. C.
   3
4. D.
   4

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1. A.
   $180\,\text{g mol}^{-1}$
2. B.
   $210\,\text{g mol}^{-1}$
3. C.
   $200\,\text{g mol}^{-1}$
4. D.
   $190\,\text{g mol}^{-1}$

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