Physics · 2021 · 17 Mar · Shift 2
28 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 · 17 Mar · Shift 2
28 questions from this JEE Main paper
Waves1 questionsElectronic Devices1 questionsAlternating Current2 questionsAtoms and Nuclei2 questionsMagnetics1 questionsDual Nature of Radiation1 questionsHeat and Thermodynamics2 questionsCurrent Electricity2 questionsRotational Motion1 questionsSimple Harmonic Motion1 questionsMotion in A Straight Line2 questionsCenter of Mass2 questionsGravitation1 questionsProperties of Matter2 questionsGeometrical Optics1 questionsElectromagnetic Waves2 questionsElectrostatics1 questionsCapacitor1 questionsLaws of Motion2 questions
- Q43.A sound wave of frequency 245 Hz travels with the speed of 300 ms 1 along the positive x-axis. Each point of the wave moves to and from through a total distance of 6 cm. What will be the mathematical expression of this travelling wave?Physics · Waves · MCQ
- Q44.Which one of the following will be the output of the given circuit? Includes diagramPhysics · Electronic Devices · MCQ
- Q45.Match List - I with List - II Choose the most appropriate answer from the options given below : Includes tablePhysics · Alternating Current · MCQ
- Q46.The atomic hydrogen emits a line spectrum consisting of various series. Which series of hydrogen atomic spectra is lying in the visible region?Physics · Atoms and Nuclei · MCQ
- Q47.A hairpin like shape as shown in figure is made by bending a long current carrying wire. What is the magnitude of a magnetic field at point P which lies on the centre of the semicircle? Includes diagramPhysics · Magnetics · MCQ
- Q48.Two identical photocathodes receive the light of frequencies f1 and f2 respectively. If the velocities of the photo-electrons coming out are v1 and v2 respectively, thenPhysics · Dual Nature of Radiation · MCQ
- Q49.If one mole of the polyatomic gas is having two vibrational modes and is the ratio of molar specific heats for polyatomic gas then the value of is :Physics · Heat and Thermodynamics · MCQ
- Q50.Two cells of emf 2E and E with internal resistance r1 and r2 respectively are connected in series to an external resistor R (see figure). The value of R, at which the potential difference across the terminals of the first cell becomes zero… Includes diagramPhysics · Current Electricity · MCQ
- Q51.What happens to the inductive reactance and the current in a purely inductive circuit if the frequency is halved?Physics · Alternating Current · MCQ
- Q52.A sphere of mass 2 kg and radius 0.5 m is rolling with an initial speed of 1 ms-1 goes up an inclined plane which makes an angle of 30 with the horizontal plane, without slipping. How long will the sphere take to return to the… Includes diagramPhysics · Rotational Motion · MCQ
- Q53.Two particles A and B of equal masses are suspended from two massless springs of spring constants K1 and K2 respectively. If the maximum velocities during oscillations are equal, the ratio of the amplitude of A and B isPhysics · Simple Harmonic Motion · MCQ
- Q54.The velocity of a particle is v = v0 + gt + Ft2. Its position is x = 0 at t = 0; then its displacement after time (t = 1) is :Physics · Motion in A Straight Line · MCQ
- Q55.A rubber ball is released from a height of 5 m above the floor. It bounces back repeatedly, always rising to of the height through which it falls. Find the average speed of the ball. (Take g = 10 ms 2)Physics · Motion in A Straight Line · MCQ
- Q56.The four arms of a Wheatstone bridge have resistances as shown in the figure. A galvanometer of 15 resistance is connected across BD. Calculate the current through the galvanometer when a potential difference of 10V is maintained… Includes diagramPhysics · Current Electricity · MCQ
- Q57.Which one is the correct option for the two different thermodynamic processes? Includes diagramPhysics · Heat and Thermodynamics · MCQ
- Q58.Two identical blocks A and B each of mass m resting on the smooth horizontal floor are connected by a light spring of natural length L and spring constant K. A third block C of mass m moving with a speed v along the line joining A and B… Includes diagramPhysics · Center of Mass · MCQ
- Q59.A geostationary satellite is orbiting around an arbitrary planet 'P' at a height of 11R above the surface of 'P', R being the radius of 'P'. The time period of another satellite in hours at a height of 2R from the surface of 'P' is …Physics · Gravitation · MCQ
- Q60.An object is located at 2 km beneath the surface of the water. If the fractional compression is 1.36%, the ratio of hydraulic stress to the corresponding hydraulic strain will be . [Given :…Physics · Properties of Matter · MCQ
- Q61.Suppose you have taken a dilute solution of oleic acid in such a way that its concentration becomes 0.01 cm3 of oleic acid per cm3 of the solution. Then you make a thin film of this solution (monomolecular thickness) of area 4 cm2 by…Physics · Properties of Matter · Numerical
- Q62.The disc of mass M with uniform surface mass density is shown in the figure. The centre of mass of the quarter disc (the shaded area) is at the position where x is … Includes diagramPhysics · Center of Mass · Numerical
- Q63.The image of an object placed in air formed by a convex refracting surface is at a distance of 10 m behind the surface. The image is real and is at of the distance of the object from the surface. The wavelength of…Physics · Geometrical Optics · Numerical
- Q64.The electric field intensity produced by the radiation coming from a 100 W bulb at a distance of 3 m is E. The electric field intensity produced by the radiation coming from 60W at the same distance is E. Where the…Physics · Electromagnetic Waves · Numerical
- Q65.The electric field in a region is given by with . The flux of this field through a rectangular surface area 0.4 m2…Physics · Electrostatics · Numerical
- Q66.A 2 F capacitor C1 is first charged to a potential difference of 10V using a battery. Then the battery is removed and the capacitor is connected to an uncharged capacitor C2 of 8 F. The charge in C2 on equilibrium condition is … Includes diagramPhysics · Capacitor · Numerical
- Q67.A boy of mass 4 kg is standing on a piece of wood having mass 5 kg. If the coefficient of friction between the wood and the floor is 0.5, the maximum force that the boy can exert on the rope so that the piece of wood does not move from its… Includes diagramPhysics · Laws of Motion · Numerical
- Q68.A body of mass 1 kg rests on a horizontal floor with which it has a coefficient of static friction . It is desired to make the body move by applying the minimum possible force F N. The value of F will be …Physics · Laws of Motion · Numerical
- Q69.A particle of mass m moves in a circular orbit in a central potential field U(r) = U0r4. If Bohr's quantization conditions are applied, radii of possible orbitals rn vary with , where is …Physics · Atoms and Nuclei · Numerical
- Q70.Seawater at a frequency f = 9 102 Hz, has permittivity = 80 0 and resistivity = 0.25 m. Imagine a parallel plate capacitor is immersed in seawater and is driven by an alternating voltage…Physics · Electromagnetic Waves · Numerical