Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents

Your guest activity stays on this device

Sign in to save progress →
Sign in

Physics · 2021 · 26 Feb · Shift 2

28 questions from this JEE Main paper
Guest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
  1. PYQ Library
  2. /JEE Main
  3. /Papers
  4. /2021 · 26 Feb · Shift 2
  5. /Physics

Physics · 2021 · 26 Feb · Shift 2

28 questions from this JEE Main paper

Electronic Devices2 questionsElectromagnetic Induction1 questionsAlternating Current1 questionsMotion in A Straight Line1 questionsElectrostatics3 questionsUnits and Measurements1 questionsDual Nature of Radiation2 questionsCurrent Electricity1 questionsGeometrical Optics3 questionsHeat and Thermodynamics3 questionsProperties of Matter1 questionsMotion in A Plane1 questionsLaws of Motion1 questionsRotational Motion1 questionsSimple Harmonic Motion4 questionsWaves1 questionsGravitation1 questions
  1. Q48.Draw the output signal Y in the given combination of gates. Includes diagram
    Physics · Electronic Devices · MCQ
  2. Q49.An aeroplane, with its wings spread 10 m, is flying at a speed of 180 km/h in a horizontal direction. The total intensity of earth's field at that part is 2.5 × 10 − 4 Wb/m2 and the angle of dip is 60 ∘. The emf induced…
    Physics · Electromagnetic Induction · MCQ
  3. Q50.Find the peak current and resonant frequency of the following circuit (as shown in figure). Includes diagram
    Physics · Alternating Current · MCQ
  4. Q51.A scooter accelerates from rest for time t1 at constant rate a1 and then retards at constant rate a2 for time t2 and comes to rest. The correct value of t2​t1​​ wil be :
    Physics · Motion in A Straight Line · MCQ
  5. Q52.Given below are two statements: Statement I : An electric dipole is placed at the center of a hollow sphere. The flux of the electric field through the sphere is zero but the electric field is not zero anywhere in the sphere. Statement II…
    Physics · Electrostatics · MCQ
  6. Q53.If 'C' and 'V' represent capacity and voltage respectively then what are the dimensions of λ where C/V =λ ?
    Physics · Units and Measurements · MCQ
  7. Q54.The recoil speed of a hydrogen atom after it emits a photon in going from n = 5 state to n = 1 state will be :
    Physics · Dual Nature of Radiation · MCQ
  8. Q55.A wire of 1 Ω has a length of 1 m. It is stretched till its length increases by 25%. The percentage change in resistance to the nearest integer is :
    Physics · Current Electricity · MCQ
  9. Q56.The incident ray, reflected ray and the outward drawn normal are denoted by the unit vectors a, b and c respectively. Then choose the correct relation for these vectors.
    Physics · Geometrical Optics · MCQ
  10. Q57.The internal energy (U), pressure (P) and volume (V) of an ideal gas are related as U = 3PV + 4. The gas is :
    Physics · Heat and Thermodynamics · MCQ
  11. Q58.The length of metallic wire is l1 when tension in it is T1. It is l2 when the tension is T2. The original length of the wire will be :
    Physics · Properties of Matter · MCQ
  12. Q59.The trajectory of a projectile in a vertical plane is y = α x −β x2, where α and β are constants and x & y are respectively the horizontal and vertical distances of the projectile from the point of projection.…
    Physics · Motion in A Plane · MCQ
  13. Q60.Given below are two statements : one is labeled as Assertion A and the other is labeled as Reason R. Assertion A : For a simple microscope, the angular size of the object equals the angular size of the image. Reason R : Magnification is…
    Physics · Geometrical Optics · MCQ
  14. Q61.An inclined plane making an angle of 30 ∘ with the horizontal is placed in a uniform horizontal electric field 200CN​ as shown in the figure. A body of mass 1 kg and charge 5 mC is allowed to slide down from rest at a… Includes diagram
    Physics · Electrostatics · MCQ
  15. Q62.Two masses A and B, each of mass M are fixed together by a massless spring. A force acts on the mass B as shown in the figure. If the mass A starts moving away from mass B with acceleration 'a', then the acceleration of mass B will be : Includes diagram
    Physics · Laws of Motion · MCQ
  16. Q63.A cord is wound round the circumference of wheel of radius r. The axis of the wheel is horizontal and the moment of inertia about it is I. A weight mg is attached to the cord at the end. The weight falls from rest. After falling through a…
    Physics · Rotational Motion · MCQ
  17. Q64.A particle executes S.H.M., the graph of velocity as a function of displacement is :
    Physics · Simple Harmonic Motion · MCQ
  18. Q65.A tuning fork A of unknown frequency produces 5 beats/s with a fork of known frequency 340 Hz. When fork A is filed, the beat frequency decreases to 2 beats/s. What is the frequency of fork A?
    Physics · Waves · MCQ
  19. Q66.Given below are two statements : Statement I : A second's pendulum has a time period of 1 second. Statement II : It takes precisely one second to move between the two extreme positions. In the light of the above statements, choose the…
    Physics · Simple Harmonic Motion · MCQ
  20. Q67.1 mole of rigid diatomic gas performs a work of 5Q​ when heat Q is supplied to it. The molar heat capacity of the gas during this transformation is 8xR​. The value of x is ​. [R = universal gas…
    Physics · Heat and Thermodynamics · Numerical
  21. Q68.A particle executes S.H.M. with amplitude 'a', and time period 'T'. The displacement of the particle when its speed is half of maximum speed is 2x​a​. The value of x is ​.
    Physics · Simple Harmonic Motion · Numerical
  22. Q69.Time period of a simple pendulum is T. The time taken to complete 85​ oscillations starting from mean position is βα​T. The value of α is ​.
    Physics · Simple Harmonic Motion · Numerical
  23. Q70.The zener diode has a Vz = 30V. The current passing through the diode for the following circuit is ​ mA. Includes diagram
    Physics · Electronic Devices · Numerical
  24. Q71.The volume V of a given mass of monoatomic gas changes with temperature T according to the relation V=KT32​. The workdone when temperature changes by 90K will be xR. The value of x is ​. [R =…
    Physics · Heat and Thermodynamics · Numerical
  25. Q72.27 similar drops of mercury are maintained at 10V each. All these spherical drops combine into a single big drop. The potential energy of the bigger drop is ​ times that of a smaller drop.
    Physics · Electrostatics · Numerical
  26. Q73.A point source of light S, placed at a distance 60cm in front of the centre of a plane mirror of width 50 cm, hangs vertically on a wall. A man walks in front of the mirror along a line parallel to the mirror at a distance 1.2 m from it… Includes diagram
    Physics · Geometrical Optics · Numerical
  27. Q74.In the reported figure of earth, the value of acceleration due to gravity is same at point A and C but it is smaller than that of its value at point B (surface of the earth). The value of OA : AB will be x : y. The value of x is ​… Includes diagram
    Physics · Gravitation · Numerical
  28. Q75.Two stream of photons, possessing energies equal to twice and ten times the work function of metal are incident on the metal surface successively. The value of ratio of maximum velocities of the photoelectrons emitted in the two respective…
    Physics · Dual Nature of Radiation · Numerical