Physics · 2021 · 24 Feb · Shift 2
27 questions from this JEE Main paperGuest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
Physics · 2021 · 24 Feb · Shift 2
27 questions from this JEE Main paper
Simple Harmonic Motion3 questionsWave Optics1 questionsElectronic Devices2 questionsElectromagnetic Induction1 questionsLaws of Motion1 questionsDual Nature of Radiation2 questionsHeat and Thermodynamics3 questionsGravitation1 questionsMagnetic Properties of Matter1 questionsWaves1 questionsElectrostatics2 questionsElectromagnetic Waves2 questionsCenter of Mass2 questionsAtoms and Nuclei1 questionsProperties of Matter1 questionsCurrent Electricity1 questionsAlternating Current1 questionsRotational Motion1 questions
- Q42.In the given figure, a body of mass M is held between two massless springs, on a smooth inclined plane. The free ends of the springs are attached to firm supports. If each spring has spring constant k, the frequency of oscillation of given… Includes diagramPhysics · Simple Harmonic Motion · MCQ
- Q43.If the source of light used in a Young's double slit experiment is changed from red to violet :Physics · Wave Optics · MCQ
- Q44.The logic circuit shown above is equivalent to : Includes diagramPhysics · Electronic Devices · MCQ
- Q45.Figure shows a circuit that contains four identical resistors with resistance R = 2.0 , two identical inductors with inductance L = 2.0 mH and an ideal battery with emf E = 9V. The current 'i' just after the switch 'S' is closed… Includes diagramPhysics · Electromagnetic Induction · MCQ
- Q46.A particle is projected with velocity v0 along x-axis. A damping force is acting on the particle which is proportional to the square of the distance from the origin i.e. ma = x2. The distance at which the particle stops :Physics · Laws of Motion · MCQ
- Q47.An X-ray tube is operated at 1.24 million volt. The shortest wavelength of the produced photon will be :Physics · Dual Nature of Radiation · MCQ
- Q48.If one mole of an ideal gas at (P1, V1) is allowed to expand reversibly and isothermally (A to B) its pressure is reduced to one-half of the original pressure (see figure). This is followed by a constant volume cooling till its pressure is… Includes diagramPhysics · Heat and Thermodynamics · MCQ
- Q49.A body weights 49N on a spring balance at the north pole. What will be its weight recorded on the same weighing machine, if it is shifted to the equator? [Use = 9.8 ms 2 and radius of earth, R = 6400 km.]Physics · Gravitation · MCQ
- Q50.When a particle executes SHM, the nature of graphical representation of velocity as a function of displacement is :Physics · Simple Harmonic Motion · MCQ
- Q51.The period of oscillation of a simple pendulum is . Measured value of 'L' is 1.0 m from meter scale having a minimum division of 1 mm and time of one complete oscillation is 1.95 s measured from stopwatch of…Physics · Simple Harmonic Motion · MCQ
- Q52.A soft ferromagnetic material is placed in an external magnetic field. The magnetic domains :Physics · Magnetic Properties of Matter · MCQ
- Q53.Which of the following equations represents a travelling wave?Physics · Waves · MCQ
- Q54.Two electrons each are fixed at a distance '2d'. A third charge proton placed at the midpoint is displaced slightly by a distance x (x << d) perpendicular to the line joining the two fixed charges. Proton will execute simple harmonic…Physics · Electrostatics · MCQ
- Q55.On the basis of kinetic theory of gases, the gas exerts pressure because its molecules :Physics · Heat and Thermodynamics · MCQ
- Q56.Match List - I with List - II. Choose the correct answer from the options given below : Includes tablePhysics · Electromagnetic Waves · MCQ
- Q57.A circular hole of radius is cut out of a circular disc of radius 'a' as shown in figure. The centroid of the remaining circular portion with respect to point 'O' will be : Includes diagramPhysics · Center of Mass · MCQ
- Q58.Zener breakdown occurs in a p n junction having p and n both :Physics · Electronic Devices · MCQ
- Q59.The de-Broglie wavelength of a proton and -particle are equal. The ratio of their velocities is :Physics · Dual Nature of Radiation · MCQ
- Q60.According to Bohr atomic model, in which of the following transitions will the frequency be maximum?Physics · Atoms and Nuclei · MCQ
- Q61.A uniform metallic wire is elongated by 0.04 m when subjected to a linear force F. The elongation, if its length and diameter is doubled and subjected to the same force will be cm.Physics · Properties of Matter · Numerical
- Q62.An electromagnetic wave of frequency 3 GHz enters a dielectric medium of relative electric permittivity 2.25 from vacuum. The wavelength of this wave in that medium will be 10 2 cm.Physics · Electromagnetic Waves · Numerical
- Q63.A cylindrical wire of radius 0.5 mm and conductivity 5 107 S/m is subjected to an electric field of 10 mV/m. The expected value of current in the wire will be x3 mA. The value of x is .Physics · Current Electricity · Numerical
- Q64.Two solids A and B of mass 1 kg and 2 kg respectively are moving with equal linear momentum. The ratio of their kinetic energies (K.E.)A : (K.E.)B will be , so the value of A will be .Physics · Center of Mass · Numerical
- Q65.The root mean square speed of molecules of a given mass of a gas at 27 C and 1 atmosphere pressure is 200 ms 1. The root mean square speed of molecules of the gas at 127 C and 2 atmosphere pressure is …Physics · Heat and Thermodynamics · Numerical
- Q66.A series L-C-R circuit is designed to resonate at an angular frequency 0 = 105 rad/s. The circuit draws 16W power from 120V source at resonance. The value of resistance 'R' in the circuit is .Physics · Alternating Current · Numerical
- Q67.A point charge of +12 C is at a distance 6 cm vertically above the centre of a square of side 12 cm as shown in figure. The magnitude of the electric flux through the square will be 103 Nm2/C. Includes diagramPhysics · Electrostatics · Numerical
- Q68.A uniform thin bar of mass 6 kg and length 2.4 meter is bent to make an equilateral hexagon. The moment of inertia about an axis passing through the centre of mass and perpendicular to the plane of hexagon is …Physics · Rotational Motion · Numerical