Physics · 2020 · 6 Sep · Shift 2
23 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 · 2020 · 6 Sep · Shift 2
23 questions from this JEE Main paper
Dual Nature of Radiation1 questionsRotational Motion1 questionsHeat and Thermodynamics2 questionsProperties of Matter1 questionsSimple Harmonic Motion1 questionsCurrent Electricity2 questionsMagnetics2 questionsGeometrical Optics1 questionsMotion in A Plane1 questionsCenter of Mass2 questionsLaws of Motion1 questionsAlternating Current1 questionsWave Optics1 questionsElectromagnetic Waves1 questionsAtoms and Nuclei1 questionsGravitation1 questionsElectrostatics2 questionsUnits and Measurements1 questions
- Q36.Assuming the nitrogen molecule is moving with r.m.s. velocity at 400 K, the de-Broglie wavelength of nitrogen molecule is close to : (Given : nitrogen molecule weight : 4.64 10–26 kg, Boltzman constant: 1.38 10–23 J/K,…Physics · Dual Nature of Radiation · MCQ
- Q37.The linear mass density of a thin rod AB of length L varies from A to B as , where x is the distance from A. If M is the mass of the rod then its moment of inertia…Physics · Rotational Motion · MCQ
- Q38.Three rods of identical cross-section and lengths are made of three different materials of thermal conductivity K1 , K2 and K3 , respecrtively. They are joined together at their ends to make a long rod (see figure). One end of the long rod… Includes diagramPhysics · Heat and Thermodynamics · MCQ
- Q39.A fluid is flowing through a horizontal pipe of varying cross-section, with speed v ms–1 at a point where the pressure is P pascal. At another point where pressure is Pascal its speed is V ms–1. If the density of the fluid is…Physics · Properties of Matter · MCQ
- Q40.When a particle of mass m is attached to a vertical spring of spring constant k and released, its motion is described by y(t) = y0 sin2 t, where 'y' is measured from the lower end of unstretched spring. Then is:Physics · Simple Harmonic Motion · MCQ
- Q41.In a dilute gas at pressure P and temperature T, the mean time between successive collisions of a molecule varies with T as :Physics · Heat and Thermodynamics · MCQ
- Q42.A circuit to verify Ohm's law uses ammeter and voltmeter in series or parallel connected correctly to the resistor. In the circuit :Physics · Current Electricity · MCQ
- Q43.A square loop of side 2 and carrying current I is kept in xz plane with its centre at origin. A long wire carrying the same current I is placed parallel to z-axis and passing through point (0, b, 0), (b >> a). The magnitude of…Physics · Magnetics · MCQ
- Q44.A charged particle going around in a circle can be considered to be a current loop. A particle of mass m carrying charge q is moving in a plane with speed v under the influence of magnetic field . The magnetic moment of…Physics · Magnetics · MCQ
- Q45.A double convex lens has power P and same radii of curvature R of both the surfaces. The radius of curvature of a surface of a plano-convex lens made of the same material with power 1.5 P is :Physics · Geometrical Optics · MCQ
- Q46.When a car is at rest, its driver sees rain drops falling on it vertically. When driving the car with speed v, he sees that rain drops are coming at an angle 60° from the horizontal. On further increasing the speed of the car to (1 + …Physics · Motion in A Plane · MCQ
- Q47.Particle A of mass m1 moving with velocity collides with another particle B of mass m2 which is at rest initially. Let and be…Physics · Center of Mass · MCQ
- Q48.A particle moving in the xy plane experiences a velocity dependent force , where vx and vy are the x and y components of its velocity . If …Physics · Laws of Motion · MCQ
- Q49.In a series LR circuit, power of 400W is dissipated from a source of 250 V, 50 Hz. The power factor of the circuit is 0.8. In order to bring the power factor to unity, a capacitor of value C is added in series to the L and R. Taking the…Physics · Alternating Current · Numerical
- Q50.A Young's double-slit experiment is performed using monochromatic light of wavelength . The intensity of light at a point on the screen, where the path difference is , is K units. The intensity of light at a point where…Physics · Wave Optics · Numerical
- Q51.The centre of mass of solid hemisphere of radius 8 cm is x from the centre of the flat surface. Then value of x is .Physics · Center of Mass · Numerical
- Q52.For a plane electromagnetic wave, the magnetic field at a point x and time t is =…Physics · Electromagnetic Waves · MCQ
- Q53.Given the masses of various atomic particles mp = 1.0072 u, mn = 1.0087 u, me = 0.000548 u, = 0, md = 2.0141 u, where p proton, n neutron, e electron, antineutrino and d …Physics · Atoms and Nuclei · MCQ
- Q54.Two planets have masses M and 16 M and their radii are and 2 , respectively. The separation between the centres of the planets is 10 . A body of mass m is fired from the surface of the larger planet towards the smaller planet…Physics · Gravitation · MCQ
- Q55.Consider the force F on a charge 'q' due to a uniformly charged spherical shell of radius R carrying charge Q distributed uniformly over it. Which one of the following statements is true for F, if 'q' is placed at distance r from the…Physics · Electrostatics · MCQ
- Q56.In the figure shown, the current in the 10 V battery is close to : Includes diagramPhysics · Current Electricity · MCQ
- Q57.A student measuring the diameter of a pencil of circular cross-section with the help of a vernier scale records the following four readings 5.50 mm, 5.55 mm, 5.45 mm, 5.65 mm. The average of these four readings is 5.5375 mm and the…Physics · Units and Measurements · MCQ
- Q58.Two identical electric point dipoles have dipole moments and and are held on the x axis at distance '' from each other. When released, they move along the…Physics · Electrostatics · MCQ