Physics · 2018 · 16 Apr · Shift 1
27 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 · 2018 · 16 Apr · Shift 1
27 questions from this JEE Main paper
Current Electricity3 questionsDual Nature of Radiation2 questionsWave Optics1 questionsGeometrical Optics1 questionsMagnetics1 questionsElectromagnetic Induction1 questionsElectromagnetic Waves1 questionsAlternating Current1 questionsElectrostatics1 questionsWaves1 questionsHeat and Thermodynamics2 questionsSimple Harmonic Motion2 questionsProperties of Matter1 questionsUnits and Measurements2 questionsGravitation1 questionsWork Power and Energy2 questionsVector Algebra1 questionsCapacitor1 questionsRotational Motion1 questionsElectronic Devices1 questions
- Q48.A galvanometer with its coil resistance 25 requires a current of 1 mA for its full deflection. In order to construct an ammeter to read upto a current of 2 A, the approximate value of the shunt resistance should be :Physics · Current Electricity · MCQ
- Q49.Both the nucleus and the atom of some element arein their respective first excited states. They get de-excted by emitting photons of wavelengths N, A respectively. The ratio is…Physics · Dual Nature of Radiation · MCQ
- Q50.The de-Broglie wavelength ( B) associated with the electron orbiting in the second excited state of hydrogen atom is related to that in the ground state ( G) by :Physics · Dual Nature of Radiation · MCQ
- Q51.Unpolarized light of intensity I is incident on a system of two polarizers, A followed by B. The intensity of emergent light is I/2. If a third polarizer C is placed between A and B, the intensity of emergent light is reduced to I/3. The…Physics · Wave Optics · MCQ
- Q52.A ray of light is incident at an angle of 60o on one face of a prism of angle 30o. The emergent ray of light makes an angle of 30o with incident ray. The angle made by the emergent ray with second face of prism will be :Physics · Geometrical Optics · MCQ
- Q53.A charge q is spread uniformly over an insulated loop of radius r. If it is rotated with an angular velocity with resect to normal axis then the magnetic moment of the loop is :Physics · Magnetics · MCQ
- Q54.A coil of cross-sectional area A having n turns is placed in a uniform magnetic field B. When it is rotated with an angular velocity the maxium e.m.f. induced in the coil will be:Physics · Electromagnetic Induction · MCQ
- Q55.A plane electromagnetic wave of wavelength has an intensity I. It is propagatting along the positive Y-direction. The allowed expressions for the electric and magnetic fields are givn by :Physics · Electromagnetic Waves · MCQ
- Q56.A power transmission line feeds input power at 2300 V to a step down transformer with its primary windings having 4000 turns, giving the output power at 230 V. If the current in the primary of the transformer is 5 A, and its efficiency is…Physics · Alternating Current · MCQ
- Q57.Two identical conducting spheres A and B, carry equal charge. They are separated by a distance much larger than their diameters, and the force between theis F. A third identical conducting sphere, C, is uncharged. Sphere C is first touhed…Physics · Electrostatics · MCQ
- Q58.A heating element has a resistance of 100 at room temperature. When it is connected to a supply of 220 V, a steady current of 2 A passes in it and temperature is 500oC more than room temperature. what is the temperature…Physics · Current Electricity · MCQ
- Q59.The end correction of a resonance column is 1 cm. If the shortest length resonating with the tunning fork is 10 cm, the next resonating length should be :Physics · Waves · MCQ
- Q60.Two moles of helium are mixed with n moles of hydrogen. If for the mixture, then the value of n is :Physics · Heat and Thermodynamics · MCQ
- Q61.A particle executes simple harmonic motion and is located at x = a, b and c at times t0, 2t0 and 3t0 respectively. The freqquency of the oscillation is :Physics · Simple Harmonic Motion · MCQ
- Q62.A small soap bubble of radius 4 cm is trapped inside another bubble of radius 6 cm without any contact. Let P2 be the pressure inside the inner bubble and P0, the pressure outside the outer bubble. Radius of another bubble with pressure…Physics · Properties of Matter · MCQ
- Q63.An oscillator of mass M is at rest in its equilibrium position in a potential V = k(x X)2. A particle of mass m comes from right with speed u and collides completely inelastically with M and sticks to it. This process…Physics · Simple Harmonic Motion · MCQ
- Q64.The relative uncertainly in the period of a satellite orbiting around the earth is 10-2. If the relative uncertainty in the radius of the orbit is negligible, the relative uncertainty in the mass of the earth is :Physics · Units and Measurements · MCQ
- Q65.Suppose that the angular velocity of rotation of earth is increased. Then, as a consequence :Physics · Gravitation · MCQ
- Q66.Two particles of the same mass m are moving in circular orbits because of force, given by The first particle is at a distance r = 1, and the second, at r = 4. The best estimate for the…Physics · Work Power and Energy · MCQ
- Q67.A body of mass m starts moving from rest along x-axis so that its velocity varies as where a is a constant and s is the distance covered by the body. The total work done by all the forces acting on the body in the…Physics · Work Power and Energy · MCQ
- Q68.Let = and, The magnitude of a coplanar vector such that …Physics · Vector Algebra · MCQ
- Q69.The percentage errors in quantities P, Q, R and S are 0.5%, 1%, 3% and 1.5% respectively in the measurement of a physical quantity A = The maximum percentage error in the value of A will be :Physics · Units and Measurements · MCQ
- Q70.One mole of an ideal monoatomic gas is taken along the path ABCA as show in the PV diagram. The maximum temperature attained by the gas along the path BC is given by : Includes diagramPhysics · Heat and Thermodynamics · MCQ
- Q71.In the following circuit, the switch S is closed at t = 0. The charge on the capacitor C1 as a function of time will be given by Includes diagramPhysics · Capacitor · MCQ
- Q72.A thin circular disk is in the xy plane as shown in the figure. The ratio of its moment of inertia about z and z' axes will be : Includes diagramPhysics · Rotational Motion · MCQ
- Q73.In the given circuit, the current through zener diode is : Includes diagramPhysics · Electronic Devices · MCQ
- Q74.In a circuit for finding the resistance of a galvanometer by half deflection method, a 6 V battery and a high resistance of 11 k are used. The figure of merit of the galvanometer is 60 division. In the absence of shunt…Physics · Current Electricity · MCQ