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Physics · 2022 · 28 Jul · Shift 2

27 questions from this JEE Main paper
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Physics · 2022 · 28 Jul · Shift 2

27 questions from this JEE Main paper

Units and Measurements2 questionsMotion in A Plane1 questionsProperties of Matter3 questionsLaws of Motion1 questionsWork Power and Energy1 questionsSimple Harmonic Motion2 questionsHeat and Thermodynamics2 questionsCapacitor1 questionsElectrostatics1 questionsCurrent Electricity2 questionsMagnetics2 questionsAlternating Current1 questionsElectromagnetic Waves1 questionsGeometrical Optics3 questionsDual Nature of Radiation1 questionsMotion in A Straight Line1 questionsCenter of Mass1 questionsElectromagnetic Induction1 questions
  1. Q40.Consider the efficiency of carnot's engine is given by η=sinθαβ​loge​kTβx​, where α and β are constants. If T is temperature, k is Boltzmann constant, θ is angular…
    Physics · Units and Measurements · MCQ
  2. Q41.At time t=0 a particle starts travelling from a height 7z^ cm in a plane keeping z coordinate constant. At any instant of time it's position along the x^ and y^​ directions are defined as 3t and…
    Physics · Motion in A Plane · MCQ
  3. Q42.A pressure-pump has a horizontal tube of cross sectional area 10 cm2 for the outflow of water at a speed of 20 m/s. The force exerted on the vertical wall just in front of the tube which stops water…
    Physics · Properties of Matter · MCQ
  4. Q43.A uniform metal chain of mass m and length 'L' passes over a massless and frictionless pulley. It is released from rest with a part of its length 'l' is hanging on one side and rest of its length 'L−l' is hanging on the other… Includes diagram
    Physics · Laws of Motion · MCQ
  5. Q44.A bullet of mass 200 g having initial kinetic energy 90 J is shot inside a long swimming pool as shown in the figure. If it's kinetic energy reduces to 40 J within 1 s, the minimum length of… Includes diagram
    Physics · Work Power and Energy · MCQ
  6. Q45.Assume there are two identical simple pendulum clocks. Clock - 1 is placed on the earth and Clock - 2 is placed on a space station located at a height h above the earth surface. Clock - 1 and Clock - 2 operate at time periods 4 s and 6 s…
    Physics · Simple Harmonic Motion · MCQ
  7. Q46.Consider a cylindrical tank of radius 1 m is filled with water. The top surface of water is at 15 m from the bottom of the cylinder. There is a hole on the wall of cylinder at a height of 5 m from the… Includes diagram
    Physics · Properties of Matter · MCQ
  8. Q47.A vessel contains 14 g of nitrogen gas at a temperature of 27∘C. The amount of heat to be transferred to the gas to double the r.m.s speed of its molecules will be : Take R=8.32 J mol−1k−1…
    Physics · Heat and Thermodynamics · MCQ
  9. Q48.A slab of dielectric constant K has the same cross-sectional area as the plates of a parallel plate capacitor and thickness 43​ d, where d is the separation of the plates. The capacitance of the…
    Physics · Capacitor · MCQ
  10. Q49.A uniform electric field E=(8 m/e)V/m is created between two parallel plates of length 1 m as shown in figure, (where m= mass of electron and e = charge of… Includes diagram
    Physics · Electrostatics · MCQ
  11. Q50.Given below are two statements : Statement I : A uniform wire of resistance 80Ω is cut into four equal parts. These parts are now connected in parallel. The equivalent resistance of the combination will be 5Ω. Statement…
    Physics · Current Electricity · MCQ
  12. Q51.A triangular shaped wire carrying 10 A current is placed in a uniform magnetic field of 0.5 T, as shown in figure. The magnetic force on segment CD is (Given BC=CD=BD=5 cm… Includes diagram
    Physics · Magnetics · MCQ
  13. Q52.The magnetic field at the center of current carrying circular loop is B1​. The magnetic field at a distance of 3​ times radius of the given circular loop from the center on its axis is B2​. The value of B1​/B2​ will…
    Physics · Magnetics · MCQ
  14. Q53.A transformer operating at primary voltage 8kV and secondary voltage 160 V serves a load of 80 kW. Assuming the transformer to be ideal with purely resistive load and working on unity power factor, the…
    Physics · Alternating Current · MCQ
  15. Q54.Sun light falls normally on a surface of area 36 cm2 and exerts an average force of 7.2×10−9 N within a time period of 20 minutes. Considering a case of complete absorption, the energy flux of incident…
    Physics · Electromagnetic Waves · MCQ
  16. Q55.The power of a lens (biconvex) is 1.25 m−1 in particular medium. Refractive index of the lens is 1.5 and radii of curvature are 20 cm and 40 cm respectively. The refractive index of surrounding medium:
    Physics · Geometrical Optics · MCQ
  17. Q56.Two streams of photons, possessing energies equal to five and ten times the work function of metal are incident on the metal surface successively. The ratio of maximum velocities of the photoelectron emitted, in the two cases respectively,…
    Physics · Dual Nature of Radiation · MCQ
  18. Q57.A ball is thrown vertically upwards with a velocity of 19.6 ms−1 from the top of a tower. The ball strikes the ground after 6 s. The height from the ground up to which the ball can rise will be (5k​)m…
    Physics · Motion in A Straight Line · Numerical
  19. Q58.The distance of centre of mass from end A of a one dimensional rod (AB) having mass density ρ=ρ0​(1−L2x2​)kg/m and length L (in meter) is α3L​m. The value…
    Physics · Center of Mass · Numerical
  20. Q59.A string of area of cross-section 4 mm2 and length 0.5 m is connected with a rigid body of mass 2 kg. The body is rotated in a vertical circular path of radius 0.5 m. The body acquires a…
    Physics · Properties of Matter · Numerical
  21. Q60.At a certain temperature, the degrees of freedom per molecule for gas is 8. The gas performs 150 J of work when it expands under constant pressure. The amount of heat absorbed by the gas will be ​ J.
    Physics · Heat and Thermodynamics · Numerical
  22. Q61.The potential energy of a particle of mass 4 kg in motion along the x-axis is given by U=4(1−cos4x) J. The time period of the particle for small oscillation (sinθ≃θ) is (Kπ​)s…
    Physics · Simple Harmonic Motion · Numerical
  23. Q62.An electrical bulb rated 220 V, 100 W, is connected in series with another bulb rated 220 V, 60 W. If the voltage across combination is 220 V, the power consumed by the 100 W bulb will be about ​ W.
    Physics · Current Electricity · Numerical
  24. Q63.For the given circuit the current through battery of 6 V just after closing the switch 'S' will be ​ A. Includes diagram
    Physics · Electromagnetic Induction · Numerical
  25. Q64.An object 'O' is placed at a distance of 100 cm in front of a concave mirror of radius of curvature 200 cm as shown in the figure. The object starts moving towards the mirror at a speed $2 \mathrm{~cm} /… Includes diagram
    Physics · Geometrical Optics · Numerical
  26. Q65.In an experiment with a convex lens, The plot of the image distance (v′) against the object distance (μ′) measured from the focus gives a curve v′μ′=225. If all the…
    Physics · Geometrical Optics · Numerical
  27. Q66.In an experiment to find acceleration due to gravity (g) using simple pendulum, time period of 0.5 s is measured from time of 100 oscillation with a watch of 1 s resolution. If measured value of length is 10 cm…
    Physics · Units and Measurements · Numerical