Physics · 2019 · 10 Jan · Shift 1
25 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 · 10 Jan · Shift 1
25 questions from this JEE Main paper
Electromagnetic Induction1 questionsElectrostatics2 questionsCurrent Electricity3 questionsElectromagnetic Waves1 questionsWaves1 questionsRotational Motion2 questionsDual Nature of Radiation1 questionsGeometrical Optics1 questionsMagnetics1 questionsUnits and Measurements1 questionsCenter of Mass1 questionsWave Optics1 questionsProperties of Matter1 questionsMagnetic Properties of Matter1 questionsCapacitor1 questionsVector Algebra1 questionsGravitation1 questionsHeat and Thermodynamics1 questionsMotion in A Plane1 questionsElectronic Devices1 questionsWork Power and Energy1 questions
- Q45.A solid metal cube of edge length 2 cm is moving in a positive y-direction at a constant speed of 6 m/s. There is a uniform magnetic field of 0.1 T in the positive z-direction. The potential difference between the two faces of the cube…Physics · Electromagnetic Induction · MCQ
- Q46.A charge Q is distributed over three concentric spherical shells of radii a, b, c (a < b < c) such that their surface charge densities are equal to one another. The total potential at a point at distance r from their common centre,…Physics · Electrostatics · MCQ
- Q47.A 2 W carbon resistor is color coded with green, black, red and brown respectively. The maximum current which can be passed through this resistor is -Physics · Current Electricity · MCQ
- Q48.If the magnetic field of a plane electromagnetic wave is given by (the speed of light = 3 × 108 B = 100 × 10–6 sin then the maximum electric field…Physics · Electromagnetic Waves · MCQ
- Q49.A string of length 1 m and mass 5 g is fixed at both ends. The tension in the string is 8.0 N. The string is set into vibration using an external vibrator of frequency 100 Hz. The separation between successive nodes on the string is close…Physics · Waves · MCQ
- Q50.A homogeneous solid cylindrical roller of radius R and mass M is pulled on a cricket pitch by a horizontal force. Assuming rolling without slipping, angular acceleration of the cylinder is -Physics · Rotational Motion · MCQ
- Q51.In an electron microscope, the resolution that can be achieved is of the order of the wavelength of electrons used. To resolve a width of 7.5 × 10–12 m, the minimum electron energy required is close to -Physics · Dual Nature of Radiation · MCQ
- Q52.A plano convex lens of refractive index 1 and focal length ƒ1 is kept in contact with another plano concave lens of refractive index 2 and focal length ƒ2. If the radius of curvature of their spherical faces is R each and ƒ1 =…Physics · Geometrical Optics · MCQ
- Q53.A uniform metallic wire has a resistance of 18 and is bent into an equilateral triangle. Then, the resistance between any two vertices of the triangle is -Physics · Current Electricity · MCQ
- Q54.An insulating thin rod of length has a linear charge density = on it. The rod is rotated about an axis passing through the origin (x = 0) and perpendicular to the rod. If the rod makes n…Physics · Magnetics · MCQ
- Q55.The density of a material in SI units is 128 kg m–3 . In certain units in which the unit of length is 25 cm and the unit of mass is 50 g, the numerical value of density of the material is -Physics · Units and Measurements · MCQ
- Q56.A piece of wood of mass 0.03 kg is dropped from the top of a 100 m height building. At the same time, a bullet of mass 0.02 kg is fired vertically upward, with a velocity 100 ms–1, from the ground. The bullet gets embedded in the wood.…Physics · Center of Mass · MCQ
- Q57.In a Young’s double slit experiment with slit separation 0.1 mm, one observes a bright fringe at angle by using light of wavelength 1. When the light of wavelength 2 is used a bright fringe is seen at…Physics · Wave Optics · MCQ
- Q58.Water flows into a large tank with flat bottom at the rate of 10–4m3s–1. Water is also leaking out of a hole ofarea 1 cm2 at its bottom. If the height of the water in the tank remains steady, then this height is -Physics · Properties of Matter · MCQ
- Q59.A magnet of total magnetic moment 10-2 A-m2 is placed in a time varying magnetic field, B (cos ) where B = 1 Tesla and = 0.125 rad/s. The work done for reversing the direction of the magnetic…Physics · Magnetic Properties of Matter · MCQ
- Q60.To mop-clean a floor, a cleaning machine presses a circular mop of radius R vertically down with a total force F and rotates it with a constant angular speed about its axis. If the force F is distributed uniformly over the mop and if…Physics · Rotational Motion · MCQ
- Q61.A parallel plate capacitor is of area 6 cm2 and a separation 3 mm. The gap is filled with three dielectric materials of equal thickness (see figure) with dielectric constants K1 = 10, K2 = 12 and K3 = 14. The dielectric constant of a… Includes diagramPhysics · Capacitor · MCQ
- Q62.In the cube of side ‘a’ shown in the figure, the vector from the central point of the face ABOD to the central point of the face BEFO will be - Includes diagramPhysics · Vector Algebra · MCQ
- Q63.A satellite is moving with a constant speed v in circular orbit around the earth. An object of mass ‘m’ is ejected from the satellite such that it just escapes from the gravitational pull of the earth. At the time of ejection, the kinetic…Physics · Gravitation · MCQ
- Q64.A heat source at T = 103 K is connected to another heat reservoir at T = 102 K by a copper slab which is 1 mthick. Given that the thermal conductivity of copper is 0.1 WK–1m–1, the energy flux through it in the steady state is -Physics · Heat and Thermodynamics · MCQ
- Q65.Two guns A and B can fire bullets at speeds 1 km/s and 2 km/s respectively. From a point on a horizontal ground, they are fired in all possible directions. The ratio of maximum areas covered by the bullets fired by the two guns, on the…Physics · Motion in A Plane · MCQ
- Q66.In the given circuit the cells have zero internal resistance. The currents (in Amperes) passing through resistance R1 and R2 respectively, are - Includes diagramPhysics · Current Electricity · MCQ
- Q67.To get output 1 at R, for the given logic gate circuit the input values must be Includes diagramPhysics · Electronic Devices · MCQ
- Q68.Two electric dipoles, A, B with respective dipole moments and are placed on the x-axis with a separation R, as shown in the figure. The distance from A at which both of… Includes diagramPhysics · Electrostatics · MCQ
- Q69.A block of mass m is kept on a platform which starts from rest with constant acceleration g/2 upward, as shown in figure. Work done by normal reaction on block in time is - Includes diagramPhysics · Work Power and Energy · MCQ