NEET 2022 Phase 2 | NEET Year Wise Previous Years Questions

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1. An energy of 484 J is spent in increasing the speed of a flywheel from 60 rpm to 360 rpm. The moment of inertia of the f 2. Let R1 be the radius of the second stationary orbit and R2 be the radius of the fourth stationary orbit of an electron i 3. During a cloudy day, a primary and a secondary rainbow may be created, then the : 4. The reciprocal of resistance is : 5. Two copper vessels A and B have the same base area but of different shapes. A takes twice the volume of water as that B 6. Match List-I with List-II .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:soli 7. The distance covered by a body of mass 5 g having linear momentum 0.3 kg m/s in 5 s is : 8. The distance between the two plates of a parallel plate capacitor is doubled and the area of each plate is halved. If C 9. A closely packed coil having 1000 turns has an average radius of 62.8 cm. If current carried by the wire of the coil is 10. The magnetic field of a plane electromagnetic wave is given by $$\overrightarrow B = 3 \times {10^{ - 8}}\cos (1.6 \tim 11. The restoring force of a spring with a block attached to the free end of the spring is represented by 12. Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) 13. A cricket ball is thrown by a player at a speed of 20 m/s in a direction 30$$^\circ$$ above the horizontal. The maximum 14. Given below are two statements Statement I : In an a.c circuit, the current through a capacitor leads the voltage across 15. A cell of emf 4 V and internal resistance 0.5 $$\Omega$$ is connected to a 7.5 $$\Omega$$ external resistance. The termi 16. An ideal gas follows a process described by the equation $$P{V^2} = C$$ from the initial $$({P_1},\,{V_1},\,{T_1})$$ to 17. The shape of the magnetic field lines due to an infinite long, straight current carrying conductor is 18. Identify the equivalent logic gate represented by the given circuit 19. The light rays having photons of energy 4.2 eV are falling on a metal surface having a work function of 2.2 eV. The stop 20. Identify the function which represents a non-periodic motion. 21. An inductor of inductance 2 mH is connected to a 220 V, 50 Hz ac source. Let the inductive reactance in the circuit is X 22. The ratio of the magnitude of the magnetic field and electric field intensity of a plane electromagnetic wave in free sp 23. The threshold frequency of a photoelectric metal is v0. If light of frequency 4v0 is incident on this metal, then the ma 24. The equivalent resistance of the infinite network given below is : 25. If the screen is moved away from the plane of the slits in a Young's double slit experiment, then the : 26. If $$\overrightarrow F = 2\widehat i + \widehat j - \widehat k$$ and $$\overrightarrow r = 3\widehat i + 2\widehat j - 27. Given below are two statements Statement I : The law of radioactive decay states that the number of nuclei undergoing th 28. The physical quantity that has the same dimensional formula as pressure is 29. The effective capacitances of two capacitors are 3 $$\mu$$F and 16 $$\mu$$F, when they are connected in series and paral 30. After passing through a polariser a linearly polarised light of intensity I is incident on an analyser making an angle o 31. In the diagram shown, the normal reaction force between 2 kg and 1 kg is (Consider the surface, to be smooth) : (Given g 32. The incorrect statement about the property of a Zener diode is : 33. A gravitational field is present in a region and a mass is shifted from A to B through different paths as shown. If W1, 34. A standard filament lamp consumes 100 W when connected to 200 V ac mains supply. The peak current through the bulb will 35. The terminal velocity of a copper ball of radius 5 mm falling through a tank of oil at room temperature is 10 cm s$$-$$1 36. In a gravitational field, the gravitational potential is given by, $$V = - {K \over x}$$ (J/Kg). The gravitational fiel 37. The percentage error in the measurement of g is : (Given that $$g = {{4{\pi ^2}L} \over {{T^2}}}$$, $$L = (10\, \pm \,0. 38. Two very long, straight, parallel conductors A and B carry current of 5 A and 10 A respectively and are at a distance of 39. The magnetic field on the axis of a circular loop of radius 100 cm carrying current $$I = \sqrt 2 \,A$$, at point 1 m aw 40. At any instant, two elements X1 and X2 have same number of radioactive atoms. If the decay constant of X1 and X2 are 10 41. Two rods one made of copper and other made of steel of same length and same cross sectional area are joined together. Th 42. The ratio of Coulomb's electrostatic force to the gravitational force between an electron and a proton separated by some 43. The position-time (x - t) graph for positive acceleration is 44. Six charges +q, $$-$$q, +q, $$-$$q, +q, and $$-$$q are fixed at the corners of a hexagon of side d as shown in the figur 45. An astronomical refracting telescope is being used by an observer to observe planets in normal adjustment. The focal len 46. The magnetic flux linked to a circular coil of radius R is $$\phi = 2{t^3} + 4{t^2} + 2t + 5$$ Wb The magnitude of indu 47. Three vessels of equal capacity have gases at the same temperature and pressure. The first vessel contains helium (monoa 48. An organ pipe filled with a gas at 27$$^\circ$$C resonates at 400 Hz in its fundamental mode. If it is filled with the s 49. The collector current in a common base amplifier using n-p-n transistor is 24 mA. If 80% of the electrons released by th 50. The sliding contact C is at one fourth of the length of the potentiometer wire (AB) from A as shown in the circuit diagr

NEET 2022 Phase 2

MCQ (Single Correct Answer)

-1

The products A and B in the following reaction sequence are :

NEET 2022 Phase 2 Chemistry - Hydrocarbons Question 4 English

NEET 2022 Phase 2

MCQ (Single Correct Answer)

-1

Out of Syllabus

Which one of the following is not a calcination reaction?

CaCO₃ + 2HCl $$\buildrel \Delta \over \longrightarrow $$ CaCl₂ + H₂O + CO₂

ZnCO₃ $$\buildrel \Delta \over \longrightarrow $$ ZnO + CO₂

Fe₂O₃ . xH₂O $$\buildrel \Delta \over \longrightarrow $$ Fe₂O₃ + xH₂O

CaCO₃ . MgCO₃ $$\buildrel \Delta \over \longrightarrow $$ CaO + MgO + 2CO₂

NEET 2022 Phase 2

MCQ (Single Correct Answer)

-1

The incorrect method for the synthesis of alkenes is

Treating vicinal dihalides with Zn metal

Treating of alkynes with Na in liquid NH₃

Heating alkyl halides with alcoholic KOH

Treating alkyl halides in aqueous KOH solution

NEET 2022 Phase 2

MCQ (Single Correct Answer)

-1

When electromagnetic radiation of wavelength 300 nm falls on the surface of a metal, electrons are emitted with the kinetic energy of 1.68 $$\times$$ 10⁵ J mol^$$-$$1. What is the minimum energy needed to remove an electron from the metal?

(h = 6.626 $$\times$$ 10^$$-$$34 Js, c = 3 $$\times$$ 10⁸ ms^$$-$$1, N_A = 6.022 $$\times$$ 10²³ mol^$$-$$1)

2.31 $$\times$$ 10⁵ J mol^$$-$$1

2.31 $$\times$$ 10⁶ J mol^$$-$$1

3.84 $$\times$$ 10⁴ J mol^$$-$$1

3.84 $$\times$$ 10^$$-$$19 J mol^$$-$$1

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