JEE Main 2021 B.E./B.Tech Question Paper with Answer Keys in Bengali (February 24, 2021- Afternoon Session)

JEE Main 2021 B.E./B.Tech āĻĒā§āϰāĻļā§āύāĻĒāĻ¤ā§āϰ - 24 āĻĢ⧇āĻŦā§āϰ⧁āϝāĻŧāĻžāϰ⧀, 2021- āĻŦāĻŋāϕ⧇āϞ⧇āϰ āϏ⧇āĻļāύāϕ⧇ āĻŽāĻžāĻāĻžāϰāĻŋ āϧāϰāύ⧇āϰ āĻ…āϏ⧁āĻŦāĻŋāϧāĻžāϰ āĻ¸ā§āϤāϰ āĻŦāϞ⧇ āĻŽāύ⧇ āĻ•āϰāĻž āĻšāϝāĻŧ⧇āĻ›āĻŋāϞāĨ¤ 2021 āϏāĻžāϞ⧇āϰ āϜāĻ¨ā§āϝ āύāϤ⧁āύ JEE Main āĻĒāϰ⧀āĻ•ā§āώāĻžāϰ āĻĒā§āϝāĻžāϟāĻžāĻ°ā§āύ āĻ…āύ⧁āϏāϰāĻŖ āĻ•āϰ⧇, āĻ•āĻžāĻ—āϜāϟāĻŋāϤ⧇ āĻŽā§‹āϟ 90 āϟāĻŋ āĻĒā§āϰāĻļā§āύ āĻ›āĻŋāϞ, āϝāĻžāϰ āĻŽāĻ§ā§āϝ⧇ āĻĒā§āϰāĻžāĻ°ā§āĻĨā§€āĻĻ⧇āϰ 75 āϟāĻŋ āĻĒā§āϰāĻļā§āύ⧇āϰ āĻšā§‡āĻˇā§āϟāĻž āĻ•āϰāϤ⧇ āĻšāϝāĻŧ⧇āĻ›āĻŋāϞāĨ¤ āĻĒā§āϰāϤāĻŋāϟāĻŋ āĻŦāĻŋāĻ­āĻžāϗ⧇ āĻĒā§āϰāĻžāĻ°ā§āĻĨā§€āϕ⧇ 10āϟāĻŋ āϏāĻ‚āĻ–ā§āϝāĻžāϏ⧂āϚāĻ• āωāĻ¤ā§āϤāϰ āĻĒā§āϰāĻ•āĻžāϰ⧇āϰ āĻĒā§āϰāĻļā§āύ⧇āϰ āĻŽāĻ§ā§āϝ⧇ āϝ⧇ āϕ⧋āύ⧋ 5āϟāĻŋ āĻ•āϰāĻžāϰ āĻšā§‡āĻˇā§āϟāĻž āĻ•āϰāĻžāϰ āĻĒāĻ›āĻ¨ā§āĻĻ āĻĻ⧇āĻ“āϝāĻŧāĻž āĻšāϝāĻŧ⧇āĻ›āĻŋāϞāĨ¤ āĻĒāĻ¤ā§āϰ⧇āϰ āϏāĻŦāĻšā§‡āϝāĻŧ⧇ āĻ•āĻ āĻŋāύ āĻ…āĻ§ā§āϝāĻžāϝāĻŧ āĻ›āĻŋāϞ āĻ—āĻŖāĻŋāϤ, āϤāĻžāϰāĻĒāϰ⧇ āĻĒāĻĻāĻžāĻ°ā§āĻĨāĻŦāĻŋāĻĻā§āϝāĻžāĨ¤ āϏāϰāĻžāϏāϰāĻŋ āϏ⧂āĻ¤ā§āϰ āĻāĻŦāĻ‚ āϏāĻŽā§€āĻ•āϰāĻŖ āĻ­āĻŋāĻ¤ā§āϤāĻŋāĻ• āĻĒā§āϰāĻļā§āύ āύāĻŋāϝāĻŧ⧇ āĻ—āĻ āĻŋāϤ āĻĒ⧇āĻĒāĻžāϰ⧇āϰ āϏāĻŦāĻšā§‡āϝāĻŧ⧇ āϏāĻšāϜ āĻŦāĻŋāĻ­āĻžāĻ— āĻ›āĻŋāϞ āϰāϏāĻžāϝāĻŧāύāĨ¤ JEE Main 2022 āĻĒāϰ⧀āĻ•ā§āώāĻžāϰ āϜāĻ¨ā§āϝ āφāĻ—ā§āϰāĻšā§€āϰāĻž āĻ…āύ⧁āĻļā§€āϞāύ⧇āϰ āϜāĻ¨ā§āϝ 24 āĻĢ⧇āĻŦā§āϰ⧁āϝāĻŧāĻžāϰāĻŋ, 2021 āϏ⧇āĻļāύ⧇āϰ āϜāĻ¨ā§āϝ āωāĻ¤ā§āϤāϰ āϕ⧀ āĻĒāĻŋāĻĄāĻŋāĻāĻĢ āϏāĻš JEE āĻĒā§āϰāϧāĻžāύ āĻĒā§āϰāĻļā§āύāĻĒāĻ¤ā§āϰ āĻĄāĻžāωāύāϞ⧋āĻĄ āĻ•āϰāϤ⧇ āĻĒāĻžāϰ⧇āύāĨ¤

JEE Main B.E./B.Tech āĻĒā§āϰāĻļā§āύāĻĒāĻ¤ā§āϰ- āĻĢ⧇āĻŦā§āϰ⧁āϝāĻŧāĻžāϰāĻŋ 24,2021 (āĻŦāĻŋāĻ•āĻžāϞ)

JEE MAIN 2021 āĻĒā§āϰāĻļā§āύāĻĒāĻ¤ā§āϰ JEE MAIN 2021 āωāĻ¤ā§āϤāϰ āϕ⧀
PDF āĻĄāĻžāωāύāϞ⧋āĻĄ āĻ•āϰ⧁āύ PDF āĻĄāĻžāωāύāϞ⧋āĻĄ āĻ•āϰ⧁āύ


JEE Main 2021 B.E./B.Tech āĻĒā§āϰāĻļā§āύāĻĒāĻ¤ā§āϰ 24 āĻĢ⧇āĻŦā§āϰ⧁āϝāĻŧāĻžāϰāĻŋ (AN): āĻĒ⧇āĻĒāĻžāϰ āĻŦāĻŋāĻļā§āϞ⧇āώāĻŖ

JEE Main 2021 B.E./B.Tech āĻĒ⧇āĻĒāĻžāϰ 24 āĻĢ⧇āĻŦā§āϰ⧁āϝāĻŧāĻžāϰāĻŋ āĻŦāĻŋāϕ⧇āϞ⧇āϰ āϏ⧇āĻļāύ āĻŦāĻŋāĻ•āĻžāϞ 3.00 PM āĻĨ⧇āϕ⧇ 6.00 PM āĻĒāĻ°ā§āϝāĻ¨ā§āϤ āĻĒāϰāĻŋāϚāĻžāϞāĻŋāϤ āĻšāϝāĻŧ⧇āĻ›āĻŋāϞāĨ¤

  • āĻĒā§āϰāϤāĻŋāϟāĻŋ āĻŦāĻŋāĻ­āĻžāϗ⧇ 10āϟāĻŋ āĻĒā§‚āĻ°ā§āĻŖāϏāĻ‚āĻ–ā§āϝāĻžāϰ āϧāϰāϪ⧇āϰ āϏāĻ‚āĻ–ā§āϝāĻžāϏ⧂āϚāĻ• āωāĻ¤ā§āϤāϰ āĻĒā§āϰāĻļā§āύ āĻ›āĻŋāϞ, āϝāĻžāϰ āĻŽāĻ§ā§āϝ⧇ āĻĒā§āϰāĻžāĻ°ā§āĻĨā§€āϕ⧇ āϝ⧇ āϕ⧋āύāĻ“ 5āϟāĻŋ āĻšā§‡āĻˇā§āϟāĻž āĻ•āϰāϤ⧇ āĻšāĻŦ⧇āĨ¤
  • āĻ—āĻŖāĻŋāϤ⧇ āχāĻ¨ā§āϟāĻŋāĻ—ā§āϰāĻžāϞ āĻ•ā§āϝāĻžāϞāϕ⧁āϞāĻžāϏ, āĻĄāĻŋāĻĢāĻžāϰ⧇āύāĻļāĻŋāϝāĻŧāĻžāϞ āĻ•ā§āϝāĻžāϞāϕ⧁āϞ⧇āĻļāύ, āϏāĻŽāĻ¨ā§āĻŦāϝāĻŧ āĻāĻŦāĻ‚ āĻŦā§€āϜāĻ—āĻŖāĻŋāϤ⧇āϰ āωāĻĒāϰ āϏāĻ°ā§āĻŦāĻžāϧāĻŋāĻ• āĻĒā§āϰāĻļā§āύ āĻ›āĻŋāϞāĨ¤ JEE Main āĻ—āĻŖāĻŋāϤ āϏāĻŋāϞ⧇āĻŦāĻžāϏ āĻĒāϰ⧀āĻ•ā§āώāĻž āĻ•āϰ⧁āύ
  • āĻĒāĻĻāĻžāĻ°ā§āĻĨāĻŦāĻŋāĻĻā§āϝāĻžāϰ āϜāĻ¨ā§āϝ, āĻĒā§āϰāĻ­āĻžāĻŦāĻļāĻžāϞ⧀ āĻŦāĻŋāώāϝāĻŧ āĻ›āĻŋāϞ āχāϞ⧇āĻ•ā§āĻŸā§āϰ⧋āĻ¸ā§āĻŸā§āϝāĻžāϟāĻŋāĻ•ā§āϏ, āĻŽā§‡āĻ•āĻžāύāĻŋāĻ•ā§āϏ, āĻ…āĻĒāϟāĻŋāĻ•ā§āϏ āĻāĻŦāĻ‚ āφāϧ⧁āύāĻŋāĻ• āĻĒāĻĻāĻžāĻ°ā§āĻĨāĻŦāĻŋāĻĻā§āϝāĻžāĨ¤ JEE Main āĻĢāĻŋāϜāĻŋāĻ•ā§āϏ āϏāĻŋāϞ⧇āĻŦāĻžāϏ āĻšā§‡āĻ• āĻ•āϰ⧁āύ
  • āϰāϏāĻžāϝāĻŧāύ āϰāĻžāϏāĻžāϝāĻŧāύāĻŋāĻ• āϤāĻžāĻĒāĻ—āϤāĻŋāĻŦāĻŋāĻĻā§āϝāĻž, āϰāĻžāϏāĻžāϝāĻŧāύāĻŋāĻ• āĻ—āϤāĻŋāĻŦāĻŋāĻĻā§āϝāĻž, āϏāĻŽāĻ¨ā§āĻŦāϝāĻŧ āϝ⧌āĻ— āĻāĻŦāĻ‚ āĻĒāϞāĻŋāĻŽāĻžāϰ āĻĨ⧇āϕ⧇ āĻĒā§āϰāϧāĻžāύ āĻĒā§āϰāĻļā§āύ āĻŦ⧈āĻļāĻŋāĻˇā§āĻŸā§āϝāϝ⧁āĻ•ā§āϤāĨ¤ JEE Main āϕ⧇āĻŽāĻŋāĻ¸ā§āĻŸā§āϰāĻŋ āϏāĻŋāϞ⧇āĻŦāĻžāϏ āĻšā§‡āĻ• āĻ•āϰ⧁āύ

āĻšā§‡āĻ• āĻ•āϰ⧁āύ: 24 āĻĢ⧇āĻŦā§āϰ⧁āϝāĻŧāĻžāϰ⧀ āĻŦāĻŋāϕ⧇āϞ⧇āϰ āϏ⧇āĻļāύ⧇āϰ āĻŦāĻŋāĻļāĻĻ āĻĒ⧇āĻĒāĻžāϰ āĻŦāĻŋāĻļā§āϞ⧇āώāĻŖ – JEE Main āĻĒā§āϰāĻļā§āύāĻĒāĻ¤ā§āϰ āĻŦāĻŋāĻļā§āϞ⧇āώāĻŖ

JEE Main 2021 Questions with Solutions

1 A cube of side 'a' has point charges $+ Q$ located at each of its vertices except at the origin where the charge is $-Q$. The electric field at the centre of cube is:
2 If $Y, K$ and $\eta$ are the values of Young's modulus, bulk modulus and modulus of rigidity of any material respectively. Choose the correct relation for these parameters.
3 Two equal capacitors are first connected in series and then in parallel. The ratio of the equivalent capacities in the two cases will be:
4 An LCR circuit contains resistance of $110 \Omega$ and a supply of $220 V$ at $300 rad / s$ angular frequency. If only capacitance is removed from the circuit, current lags behind the voltage by $45^{\circ} .$ If on the other hand, only inductor is removed the current leads by $45^{\circ}$ with the applied voltage. The $rms$ current flowing in the circuit will be:
5 Calgon is used for water treatment. Which of the following statement is $NOT$ true about Calgon?
6 Statements about heavy water are given below:
A. Heavy water is used in exchange reactions for the study of reaction mechanisms
B. Heavy water is prepared by exhaustive electrolysis of water
C. Heavy water has higher boiling point than ordinary water
D. Viscosity of $H _{2} O$ is greater than $D _{2} O$
7 Given below are two statements : Two photons having equal linear momenta have equal wavelengths. If the wavelength of photon is decreased, then the momentum and energy of a photon will also decrease. In the light of the above statements, choose the correct answer from the options given below.
8 If an emitter current is changed by $4 mA ,$ the collector current changes by $3.5 mA$. The value of $\beta$ will be
9 In Freundlich adsorption isotherm, slope of AB line is:
10 In the given figure, a mass $M$ is attached to a horizontal spring which is fixed on one side to a rigid support. The spring constant of the spring is $k$. The mass oscillates on a frictionless surface with time period $T$ and amplitude $A$. When the mass is in equilibrium position, as shown in the figure, another mass $m$ is gently fixed upon it. The new amplitude of oscillation will be:
11 The correct order of bond dissociation enthalpy of halogens is:
12 Which of the following are isostructural pairs?
A. $SO _{4}^{2-}$ and $CrO _{4}^{2-}$
B. $SiCl _{4}$ and $TiCl _{4}$
C. $NH _{3}$ and $NO _{3}^{-}$
D. $BCl _{3}$ and $BrCl _{3}$ $BCl _{3}$ and $BrCl _{3}$

āωāĻ¤ā§āϤāϰ āϕ⧀ āĻĒāĻŋāĻĄāĻŋāĻāĻĢ āϏāĻš JEE Main B.E/ B.Tech āĻĒā§āϰāĻļā§āύāĻĒāĻ¤ā§āϰ

āĻĒā§‚āĻ°ā§āĻŦāĻŦāĻ°ā§āϤ⧀ āĻŦāĻ›āϰ⧇āϰ āĻĒā§āϰāĻļā§āύāĻĒāĻ¤ā§āϰāϗ⧁āϞāĻŋ āϏāĻŽāĻžāϧāĻžāύ āĻ•āϰāĻž JEE Main āĻĒā§āϰāĻžāĻ°ā§āĻĨā§€āĻĻ⧇āϰ āϜāĻ¨ā§āϝ āĻ…āĻ¤ā§āϝāĻ¨ā§āϤ āϗ⧁āϰ⧁āĻ¤ā§āĻŦāĻĒā§‚āĻ°ā§āĻŖāĨ¤ āĻļāĻŋāĻ•ā§āώāĻžāĻ°ā§āĻĨā§€āĻĻ⧇āϰ āϏ⧁āĻŦāĻŋāϧāĻžāϰ āϜāĻ¨ā§āϝ, āĻ•āϞ⧇āϜāĻĻ⧁āύāĻŋāϝāĻŧāĻž āύ⧀āĻšā§‡āϰ āϞāĻŋāĻ™ā§āĻ•āϗ⧁āϞāĻŋāϤ⧇ āωāĻ¤ā§āϤāϰ āϕ⧀ āϏāĻš JEE Main āĻĒā§‚āĻ°ā§āĻŦāĻŦāĻ°ā§āϤ⧀ āĻŦāĻ›āϰ⧇āϰ āĻĒā§āϰāĻļā§āύāĻĒāĻ¤ā§āϰ āϏāϰāĻŦāϰāĻžāĻš āĻ•āϰ⧇āϛ⧇:

āĻ…āĻ¨ā§āϝāĻžāĻ¨ā§āϝ B.Tech āĻĒāϰ⧀āĻ•ā§āώāĻžāϰ āĻĒā§āϰāĻļā§āύāĻĒāĻ¤ā§āϰ

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