Re-NEET (UG) 2024 question paper

1. A.
   $-\dfrac{mB}{2}$
2. B.
   Zero
3. C.
   $-mB$
4. D.
   $mB$

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1. A.
   20 rpm
2. B.
   40 rpm
3. C.
   5 rpm
4. D.
   10 rpm

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1. A.
   $0.125 \times 10^{-3}$ C m$^{-2}$
2. B.
   $0.25 \times 10^{-3}$ C m$^{-2}$
3. C.
   $4 \times 10^{-3}$ C m$^{-2}$
4. D.
   $0.4 \times 10^{-3}$ C m$^{-2}$

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1. A.
   $\mu < \mu_0$
2. B.
   $0 \le \mu_r < 1$
3. C.
   $-1 \le \chi < 0$
4. D.
   $1 < \mu_r < 1 + \varepsilon$

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1. A.
   $K_1 = K_2$
2. B.
   $2K_1 = K_2$
3. C.
   $K_1 > K_2$
4. D.
   $K_1 < K_2$

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1. A.
   $\dfrac{v}{3}$
2. B.
   $\dfrac{2v}{3}$
3. C.
   $\dfrac{3v}{4}$
4. D.
   $\dfrac{9v}{4}$

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1. A.
   $\lambda_e > \lambda_\alpha$
2. B.
   $\lambda_e = 4\lambda_\alpha$
3. C.
   $\lambda_e = \lambda_\alpha$
4. D.
   $\lambda_e < \lambda_\alpha$

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1. A.
   10 J
2. B.
   16 J
3. C.
   4 J
4. D.
   6 J

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1. A.
   7.5 m
2. B.
   10 m
3. C.
   2.5 m
4. D.
   5 m

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1. A.
   $\omega L\, I_0\sin\omega t$
2. B.
   $\dfrac{I_0}{\omega L}\sin\omega t$
3. C.
   $\dfrac{I_0}{\omega L}\cos\omega t$
4. D.
   $\omega L\, I_0\cos\omega t$

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1. A.
   15
2. B.
   7.5
3. C.
   0.3
4. D.
   150

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1. A.
   $4v$
2. B.
   $8v$
3. C.
   $v$
4. D.
   $2v$

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1. A.
   $(10 \pm 4.2)\ \Omega$
2. B.
   $(10 \pm 0.3)\ \Omega$
3. C.
   $(10 \pm 0.1)\ \Omega$
4. D.
   $(10 \pm 0.8)\ \Omega$

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1. A.
   8 mA
2. B.
   4 mA
3. C.
   0.4 A
4. D.
   4 A

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1. A.
   $2\alpha : \delta$
2. B.
   $\gamma : 2\delta$
3. C.
   $4\alpha : \beta$
4. D.
   $\gamma : 2\beta$

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1. A.
   5
2. B.
   $\sqrt{2}$
3. C.
   $\sqrt{3}$
4. D.
   $\sqrt{5}$

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1. A.
   Light emitting diode
2. B.
   Zener diode
3. C.
   Photodiode
4. D.
   Solar cell

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1. A.
   0.4 T
2. B.
   4 T
3. C.
   0.4 mT
4. D.
   4 mT

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1. A.
   both $q$ and $V$
2. B.
   the geometry of the capacitor
3. C.
   $q$ only
4. D.
   $V$ only

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1. A.
   Statement I is correct but statement II is incorrect
2. B.
   Statement I is incorrect but Statement II is correct
3. C.
   Both Statement I and Statement II are correct
4. D.
   Both Statement I and Statement II are incorrect

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1. A.
   $10\ \Omega$
2. B.
   $5\ \Omega$
3. C.
   $40\ \Omega$
4. D.
   $20\ \Omega$

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1. A.
   Pfund series
2. B.
   Brackett series
3. C.
   Lyman series
4. D.
   Balmer series

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1. A.
   A is true but R is false.
2. B.
   A is false but R is true.
3. C.
   Both A and R are true and R is the correct explanation of A.
4. D.
   Both A and R true but R is NOT the correct explanation of A.

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

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1. A.
   $4 \times 10^{-5}$ m
2. B.
   $9 \times 10^{-8}$ m
3. C.
   $4 \times 10^{-7}$ m
4. D.
   $4 \times 10^{-4}$ m

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1. A.
   high thermal expansion coefficient
2. B.
   high specific heat capacity
3. C.
   low density
4. D.
   low boiling point

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1. A.
   1.63 cm
2. B.
   0.163 cm
3. C.
   0.163 m
4. D.
   1.63 m

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1. A.
   1 : 2
2. B.
   2 : 1
3. C.
   8 : 1
4. D.
   1 : 8

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

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

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1. A.
   $e + 2\phi$
2. B.
   $2e - \phi$
3. C.
   $e - \phi$
4. D.
   $e + \phi$

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1. A.
   X-rays
2. B.
   Gamma rays
3. C.
   Ultraviolet rays
4. D.
   Microwaves

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1. A.
   A, B and E only
2. B.
   B, C and D only
3. C.
   A, B and C only
4. D.
   A, C and D only

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1. A.
   $\lambda_3 > \lambda_2,\ \lambda_1 = 2\lambda_2$
2. B.
   $\lambda_3 > \lambda_2,\ \lambda_1 = 4\lambda_2$
3. C.
   $\lambda_1 > \lambda_2,\ \lambda_2 = 2\lambda_3$
4. D.
   $\lambda_2 > \lambda_1,\ \lambda_2 = 2\lambda_3$

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1. A.
   2 m s$^{-2}$
2. B.
   Zero
3. C.
   0.1 m s$^{-2}$
4. D.
   1 m s$^{-2}$

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1. A.
   $30\pi : 1$
2. B.
   $1 : 120\pi$
3. C.
   $60\pi : 1$
4. D.
   $120\pi : 1$

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1. A.
   $4 \times 10^2$ V
2. B.
   44.4 V
3. C.
   $4.4 \times 10^5$ V
4. D.
   $4 \times 10^4$ V

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1. A.
   $\dfrac{2\pi\lambda}{a}$
2. B.
   $\dfrac{2\pi a}{\lambda}$
3. C.
   $\dfrac{\lambda}{a}$
4. D.
   $\dfrac{a}{\lambda}$

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1. A.
   49 N
2. B.
   89 N
3. C.
   5 N
4. D.
   10 N

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1. A.
   $\left[M^{3/2}\, L^{1/2}\, T^{-3}\right]$
2. B.
   $\left[M^{1/2}\, L\, T^{-3}\right]$
3. C.
   $\left[M^2\, L^{1/2}\, T^{-4}\right]$
4. D.
   $[ML^2 T^{-4}]$

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1. A.
   B, C and D only
2. B.
   A, B and C only
3. C.
   A, C and D only
4. D.
   C and D only

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1. A.
   $\dfrac{I_0}{16}$
2. B.
   $\dfrac{I_0}{4}$
3. C.
   $\dfrac{I_0}{2}$
4. D.
   $\dfrac{I_0}{32}$

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1. A.
   A, B and C only
2. B.
   A, B and D only
3. C.
   A and B only
4. D.
   C and D only

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1. A.
   $\dfrac{\omega_1}{x_1} = \dfrac{\omega_2}{x_2} = \dfrac{\omega_3}{x_3} = k$
2. B.
   $\omega_1 x_1 = \omega_2 x_2 = \omega_3 x_3 = k$
3. C.
   $\omega_1 x_1^2 = \omega_2 x_2^2 = \omega_3 x_3^2 = k$
4. D.
   $\omega_1^2 x_1 = \omega_2^2 x_2 = \omega_3^2 x_3 = k$

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1. A.
   $\dfrac{3M}{\pi}$
2. B.
   $\dfrac{4M}{\pi}$
3. C.
   $\dfrac{M}{\pi}$
4. D.
   $\dfrac{2M}{\pi}$

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1. A.
   32 cm
2. B.
   8 cm
3. C.
   16 cm
4. D.
   24 cm

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1. A.
   $\dfrac{4 + 3\gamma}{\gamma - 1}$
2. B.
   $\dfrac{3 + 4\gamma}{\gamma - 1}$
3. C.
   $\dfrac{4 - 3\gamma}{\gamma - 1}$
4. D.
   $\dfrac{3 - 4\gamma}{\gamma - 1}$

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1. A.
   $A \cdot B$
2. B.
   $\bar{A}\cdot\bar{B}$
3. C.
   $A + B$
4. D.
   $\bar{A} + \bar{B}$

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1. A.
   19.01 ms
2. B.
   11.09 ms
3. C.
   19.01 s
4. D.
   11.09 s

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

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1. A.
   Be > Li > B > C
2. B.
   Li > Be > B > C
3. C.
   C > B > Be > Li
4. D.
   Li > C > Be > B

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1. A.
   1, 0
2. B.
   0, 1
3. C.
   1, 2
4. D.
   2, 1

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1. A.
   Statement I is correct but Statement II is incorrect
2. B.
   Statement I is incorrect but Statement II is correct
3. C.
   Both Statement I and Statement II are correct
4. D.
   Both Statement I and Statement II are incorrect

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1. A.
   Acidic potassium permanganate solution
2. B.
   Acidic potassium dichromate solution
3. C.
   Cold, dilute, aqueous solution of potassium permanganate
4. D.
   Hot, concentrated solution of potassium permanganate

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1. A.
   $CCl_4$
2. B.
   HI
3. C.
   $CO_2$
4. D.
   $BF_3$

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1. A.
   (structure 1)
2. B.
   (structure 2)
3. C.
   (structure 3)
4. D.
   (structure 4)

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1. A.
   Phenolphthalein, pink to yellow
2. B.
   Alkaline $KMnO_4$, colourless to pink
3. C.
   Phenolphthalein, colourless to pink
4. D.
   Methyl orange, yellow to pinkish red colour

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1. A.
   A-III, B-I, C-IV, D-II
2. B.
   A-I, B-IV, C-III, D-II
3. C.
   A-II, B-IV, C-I, D-III
4. D.
   A-III, B-IV, C-I, D-II

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1. A.
   Rusting of iron object
2. B.
   Production of hydrogen by electrolysis of water
3. C.
   Tarnishing of silver
4. D.
   Development of green coating on copper and bronze ornaments

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

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1. A.
   $K_1^2 = 2K_2$
2. B.
   $K_2 = \dfrac{K_1}{2}$
3. C.
   $K_1 = \dfrac{1}{\sqrt{K_2}}$
4. D.
   $K_2 = \dfrac{1}{\sqrt{K_1}}$

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1. A.
   $NaCl < CH_3CN < CH_3OH < Cyclohexane$
2. B.
   $CH_3OH < CH_3CN < NaCl < Cyclohexane$
3. C.
   $NaCl < CH_3OH < CH_3CN < Cyclohexane$
4. D.
   $Cyclohexane < CH_3CN < CH_3OH < NaCl$

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1. A.
   $PCl_5$ possesses two different Cl – P – Cl bond angles
2. B.
   All five P – Cl bonds are identical in length
3. C.
   $PCl_5$ exhibits $sp^3d$ hybridisation
4. D.
   $PCl_5$ consists of five P – Cl (sigma) bonds

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1. A.
   Both the heat and work done will be greater than zero
2. B.
   Heat absorbed will be less than zero and work done will be positive
3. C.
   Work done will be zero and heat will also be zero
4. D.
   Work done will be greater than zero and heat will remain zero

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1. A.
   4-ethyl-1-fluoro-2-nitrobenzene
2. B.
   4-ethyl-1-fluoro-6-nitrobenzene
3. C.
   3-ethyl-6-fluoro-1-nitrobenzene
4. D.
   1-ethyl-4-fluoro-3-nitrobenzene

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1. A.
   $Ce^{4+}$ and $Tb^{4+}$
2. B.
   $La^{3+}$ and $Lu^{3+}$
3. C.
   $Eu^{2+}$ and $Yb^{2+}$
4. D.
   $Eu^{2+}$ and $Tb^{4+}$

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1. A.
   $CH_3COCl \xrightarrow{H_2O,\ \Delta} CH_3COOH$
2. B.
   Benzamide ($C_6H_5CONH_2$) $\xrightarrow{(i)\ LiAlH_4\ (ii)\ H_2O}$ benzoic acid ($C_6H_5COOH$) [structure]
3. C.
   $CH_3CH_2OH \xrightarrow{(i)\ KMnO_4/OH^-\ (ii)\ H_3O^+} CH_3COOH$
4. D.
   $CH_3CH_2CH_2OH \xrightarrow{CrO_3-H_2SO_4} CH_3CH_2COOH$

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1. A.
   Broad and f orbitals
2. B.
   Narrow and f orbitals
3. C.
   Broad and d and f orbitals
4. D.
   Narrow and d and f orbitals

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1. A.
   hexadentate ligand
2. B.
   ambidentate ligand
3. C.
   monodentate ligand
4. D.
   bidentate ligand

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1. A.
   2.25 g
2. B.
   4.5 g
3. C.
   0.44 g
4. D.
   1.125 g

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1. A.
   The acidic strength of HX (X = F, Cl, Br and I) follows the order : HF > HCl > HBr > HI.
2. B.
   Fluorine exhibits –1 oxidation state whereas other halogens exhibit +1, +3, +5 and +7 oxidation states also.
3. C.
   The enthalpy of dissociation of $F_2$ is smaller than that of $Cl_2$.
4. D.
   Fluorine is stronger oxidising agent than chlorine.

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1. A.
   use of catalyst
2. B.
   decreasing concentration of $N_2$
3. C.
   low pressure, high temperature and high concentration of ammonia
4. D.
   high pressure, low temperature and higher concentration of $H_2$

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1. A.
   $CH_3CHO$ (acetaldehyde)
2. B.
   $CH_3CONH_2$ (acetamide)
3. C.
   $CH_3CH_2OH$
4. D.
   $CH_3CH_2Cl$

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1. A.
   A-I, B-II, C-IV, D-III
2. B.
   A-I, B-IV, C-III, D-II
3. C.
   A-I, B-IV, C-II, D-III
4. D.
   A-IV, B-I, C-II, D-III

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1. A.
   $C_2O_4^{2-}$
2. B.
   $SCN^-$
3. C.
   $NO_2^-$
4. D.
   $CN^-$

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