Physics · 2019 · 8 Apr · Shift 2
26 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 · 2019 · 8 Apr · Shift 2
26 questions from this JEE Main paper
Current Electricity2 questionsRotational Motion3 questionsMotion in A Straight Line1 questionsMagnetics1 questionsAlternating Current1 questionsElectromagnetic Waves1 questionsUnits and Measurements2 questionsMagnetic Properties of Matter1 questionsVector Algebra1 questionsDual Nature of Radiation1 questionsCenter of Mass2 questionsGeometrical Optics1 questionsHeat and Thermodynamics2 questionsCapacitor1 questionsElectrostatics2 questionsGravitation1 questionsProperties of Matter1 questionsAtoms and Nuclei1 questionsWave Optics1 questions
- Q46.A cell of internal resistance r drives current through an external resistance R. The power delivered by the cell to the external resistance will be maximum when :-Physics · Current Electricity · MCQ
- Q47.An electric dipole is formed by two equal and opposite charges q with separation d. The charges have same mass m. It is kept in a uniform electric field E. If it is slightly rotated from its equilibrium orientation, then its angular…Physics · Rotational Motion · MCQ
- Q48.A particle starts from origin O from rest and moves with a uniform acceleration along the positive x-axis. Identify all figures that correctly represent the motion qualitatively. (a = acceleration, v = velocity, x = displacement, t = time) Includes diagramPhysics · Motion in A Straight Line · MCQ
- Q49.Two very long, straight, and insulated wires are kept at 90° angle from each other in xy-plane as shown in the figure. These wires carry currents of equal magnitude I, whose directions are shown in the figure. The net magnetic field at… Includes diagramPhysics · Magnetics · MCQ
- Q50.A circuit connected to an ac source of emf e = e0sin(100t) with t in seconds, gives a phase difference of /4 between the emf e and current i. Which of the following circuits will exhibit this ?Physics · Alternating Current · MCQ
- Q51.The magnetic field of an electromagnetic wave is given by :- …Physics · Electromagnetic Waves · MCQ
- Q52.In a simple pendulum experiment for determination of acceleration due to gravity (g), time taken for 20 oscillations is measured by using a watch of 1 second least count. The mean value of time taken comes out to be 30 s. The length of…Physics · Units and Measurements · MCQ
- Q53.Two magnetic dipoles X and Y are placed at a separation d, with their axes perpendicular to each other. The dipole moment of Y is twice that of X. A particle of charge q is passing, through their midpoint P, at angle q = 45° with the… Includes diagramPhysics · Magnetic Properties of Matter · MCQ
- Q54.Let , and . The value of …Physics · Vector Algebra · MCQ
- Q55.A nucleus A, with a finite de-broglie wavelength A, undergoes spontaneous fission into two nuclei B and C of equal mass. B flies in the same direction as that of A, while C flies in the opposite direction with a velocity equal to…Physics · Dual Nature of Radiation · MCQ
- Q56.A body of mass m1 moving with an unknown velocity of , undergoes a collinear collision with a body of mass m2 moving with a velocity . After collision, m1 and m2 move with…Physics · Center of Mass · MCQ
- Q57.In the figure shown, what is the current (in Ampere) drawn from the battery ? You are given: R1 = 15 , R2 = 10 , R3 = 20 , R4 = 5 , R5 = 25 , R6 = 30 , E = 15 V Includes diagramPhysics · Current Electricity · MCQ
- Q58.If surface tension (S), Moment of inertia (I) and Planck's constant (h), were to be taken as the fundamental units, the dimensional formula for linear momentum would be :-Physics · Units and Measurements · MCQ
- Q59.A convex lens (of focal length 20 cm) and a concave mirror, having their principal axes along the same lines, are kept 80 cm apart from each other. The concave mirror is to the right of the convex lens. When an object is kept at a distance…Physics · Geometrical Optics · MCQ
- Q60.A rectangular solid box of length 0.3 m is held horizontally, with one of its sides on the edge of a platform of height 5m. When released, it slips off the table in a very short time t = 0.01s, remaining essentially horizontal. The angle… Includes diagramPhysics · Rotational Motion · MCQ
- Q61.The temperature, at which the root mean square velocity of hydrogen molecules equals their escape velocity from the earth, is closest to : [Boltzmann Constant kB = 1.38 × 10–23 J/K Avogadro Number NA = 6.02 × 1026 /kg Radius of Earth : 6.4…Physics · Heat and Thermodynamics · MCQ
- Q62.A uniform rectangular thin sheet ABCD of mass M has length a and breadth b, as shown in the figure. If the shaded portion HBGO is cut-off, the coordinates of the centre of mass of the remaining portion will be :- Includes diagramPhysics · Center of Mass · MCQ
- Q63.A parallel plate capacitor has 1μF capacitance. One of its two plates is given +2μC charge and the other plate, +4μC charge. The potential difference developed across the capacitor is:-Physics · Capacitor · MCQ
- Q64.The electric field in a region is given by , where E is in NC–1 and x is in metres. The values of constants are A = 20 SI unit and B = 10 SI unit. If the potential…Physics · Electrostatics · MCQ
- Q65.A positive point charge is released from rest at a distance r0 from a positive line charge with uniform density. The speed (v) of the point charge, as a function of instantaneous distance r from line charge, is proportional to :- Includes diagramPhysics · Electrostatics · MCQ
- Q66.The given diagram shows four processes i.e., isochoric, isobaric, isothermal and adiabatic. The correct assignment of the processes, in the same order is given by :- Includes diagramPhysics · Heat and Thermodynamics · MCQ
- Q67.A rocket has to be launched from earth in such a way that it never returns. If E is the minimum energy delivered by the rocket launcher, what should be the minimum energy that the launcher should have if the same rocket is to be launched…Physics · Gravitation · MCQ
- Q68.A solid sphere and solid cylinder of identical radii approach an incline with the same linear velocity (see figure). Both roll without slipping all throughout. The two climb maximum heights hsph and hcyl on the incline. The ratio hsph/hcyl… Includes diagramPhysics · Rotational Motion · MCQ
- Q69.Young's moduli of two wires A and B are in the ratio 7 : 4. Wire A is 2 m long and has radius R. Wire B is 1.5 m long and has radius 2 mm. If the two wires stretch by the same length for a given load, then the value of R is close to :-Physics · Properties of Matter · MCQ
- Q70.The ratio of mass densities of nuclei of 40Ca and 16O is close to :-Physics · Atoms and Nuclei · MCQ
- Q71.Calculate the limit of resolution of a telescope objective having a diameter of 200 cm, if it has to detect light of wavelength 500 nm coming from a star :-Physics · Wave Optics · MCQ