Physics · 2019 · 10 Apr · 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 · 2019 · 10 Apr · Shift 2
28 questions from this JEE Main paper
Properties of Matter5 questionsMotion in A Plane1 questionsRotational Motion3 questionsMagnetics2 questionsLaws of Motion2 questionsElectromagnetic Waves1 questionsAtoms and Nuclei1 questionsWave Optics1 questionsGravitation1 questionsWaves1 questionsHeat and Thermodynamics2 questionsCurrent Electricity1 questionsElectronic Devices1 questionsAlternating Current1 questionsUnits and Measurements1 questionsElectrostatics1 questionsDual Nature of Radiation1 questionsGeometrical Optics1 questionsCapacitor1 questions
- Q44.A submarine experiences a pressure of 5.05 × 106 Pa at a depth of d1 in a sea. When it goes further to a depth of d2, it experiences a pressure of 8.08 × 106 Pa. Then d2 –d1 is approximately (density of water = 103 kg/m3 and acceleration…Physics · Properties of Matter · MCQ
- Q45.A plane is inclined at an angle = 30° with respect to the horizontal. A particle is projected with a speed u = 2 ms–1 , from the base of the plane, making an angle = 15° with respect to the plane as shown in the figure.… Includes diagramPhysics · Motion in A Plane · MCQ
- Q46.The time dependence of the position of a particle of mass m = 2 is given by . Its angular momentum, with respect to the origin, at time t = 2 isPhysics · Rotational Motion · MCQ
- Q47.The magnitude of the magnetic field at the centre of an equilateral triangular loop of side 1 m which is carrying a current of 10 A is : [Take 0 = 4 × 10–7 NA–2]Physics · Magnetics · MCQ
- Q48.Two blocks A and B of masses mA = 1 kg and mB = 3 kg are kept on the table as shown in figure. The coefficient of friction between A and B is 0.2 and between B and the surface of the table is also 0.2. The maximum force F that can be… Includes diagramPhysics · Laws of Motion · MCQ
- Q49.Light is incident normally on a completely absorbing surface with an energy flux of 25 W cm–2. If the surface has an area of 25 cm2, the momentum transferred to the surface in 40 min time duration will be :Physics · Electromagnetic Waves · MCQ
- Q50.A solid sphere of mass M and radius R is divided into two unequal parts. The first part has a mass of and is converted into a uniform disc of radius 2R. The second part is converted into a uniform solid sphere. Let I1 be…Physics · Rotational Motion · MCQ
- Q51.In Li+ +, electron in first Bohr orbit is excited to a level by a radiation of wavelength . When the ion gets deexcited to the ground state in all possible ways (including intermediate emissions), a total of six spectral lines are…Physics · Atoms and Nuclei · MCQ
- Q52.In a Young's double slit experiment, the ratio of the slit's width is 4 : 1. The ratio of the intensity of maxima to minima, close to the central fringe on the screen, will be :Physics · Wave Optics · MCQ
- Q53.A spaceship orbits around a planet at a height of 20 km from its surface. Assuming that only gravitational field of the planet acts on the spaceship, what will be the number of complete revolutions made by the spaceship in 24 hours around…Physics · Gravitation · MCQ
- Q54.The correct figure that shows, schematically, the wave pattern produced by superposition of two waves of frequencies 9 Hz and 11 Hz, is :Physics · Waves · MCQ
- Q55.In an experiment, brass and steel wires of length 1 m each with areas of cross section 1mm2 are used. The wires are connected in series and one end of the combined wire is connected to a rigid support and other end is subjected to…Physics · Properties of Matter · MCQ
- Q56.A square loop is carrying a steady current I and the magnitude of its magnetic dipole moment is m. if this square loop is changed to a circular loop and it carries the same current, the magnitude of the magnetic dipole moment of circular…Physics · Magnetics · MCQ
- Q57.Water from a tap emerges vertically downwards with an initial speed of 1.0 ms–1 . The cross-sectional area of the tap is 10–4 m2. Assume that the pressure is constant throughout the stream of water and that the flow is streamlined. The…Physics · Properties of Matter · MCQ
- Q58.One mole of ideal gas passes through a process where pressure and volume obey the relation . Here P0 and V0 are constants. Calculate the change in the…Physics · Heat and Thermodynamics · MCQ
- Q59.Space between two concentric conducting spheres of radii a and b (b > a) is filled with a medium of resistivity . The resistance between the two spheres will be :Physics · Current Electricity · MCQ
- Q60.The figure represents a voltage regulator circuit using a Zener diode. The breakdown voltage of the Zener diode is 6 V and the load resistance is, RL = 4k . The series resistance of the circuit is Ri = 1 k . If the battery… Includes diagramPhysics · Electronic Devices · MCQ
- Q61.A metal coin of mass 5 g and radius 1 cm is fixed to a thin stick AB of negligible mass as shown in the figure. The system is initially at rest. The constant torque, that will make the system rotate about AB at 25 rotations per second in… Includes diagramPhysics · Rotational Motion · MCQ
- Q62.A coil of self inductance 10 mH and resistance 0.1 is connected through a switch to a battery of internal resistance 0.9 . After the switch is closed, the time taken for the current to attain 80% of the saturation value…Physics · Alternating Current · MCQ
- Q63.A bullet of mass 20 g has an initial speed of 1 ms–1 , just before it starts penetrating a mud wall of thickness 20 cm. If the wall offers a mean resistance of 2.5 × 10–2 N, the speed of the bullet after emerging from the other side of the…Physics · Laws of Motion · MCQ
- Q64.In the formula X = 5YZ2 , X and Z have dimensions of capacitance and magnetic field, respectively. What are the dimensions of Y in SI units?Physics · Units and Measurements · MCQ
- Q65.In free space, a particle A of charge 1 C is held fixed at a point P. Another particle B of the same charge and mass 4 g is kept at a distance of 1 mm from P. If B is released, then its velocity at a distance of 9 mm from P is…Physics · Electrostatics · MCQ
- Q66.When heat Q is supplied to a diatomic gas of rigid molecules, at constant volume its temperature increases by T. the heat required to produce the same change in temperature, at a constant pressure is :Physics · Heat and Thermodynamics · MCQ
- Q67.The elastic limit of brass is 379 MPa. What should be the minimum diameter of a brass rod if it is to support a 400 N load without exceeding its elastic limit?Physics · Properties of Matter · MCQ
- Q68.A 2 mW laser operates at wavelength of 500 nm. The number of photons that will be emitted per second is : [Given Planck's constant h = 6.6 × 10–34 Js, speed of light c = 3.0 × 108 m/s]Physics · Dual Nature of Radiation · MCQ
- Q69.A cubical block of side 0.5 m floats on water with 30% of its volume under water. What is the maximum weight that can be put on the block without fully submerging it under water? [Take, density of water = 103 kg/m3]Physics · Properties of Matter · MCQ
- Q70.The graph shows how the magnification m produced by a thin lens varies with image distance v. What is the focal length of the lens used? Includes diagramPhysics · Geometrical Optics · MCQ
- Q71.A simple pendulum of length L is placed between the plates of a parallel plate capacitor having electric field E, as shown in figure. Its bob has mass m and charge q. The time period of the pendulum is given by : Includes diagramPhysics · Capacitor · MCQ