Physics · 2020 · 6 Sep · Shift 1
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 1
23 questions from this JEE Main paper
Electronic Devices1 questionsMagnetics2 questionsCenter of Mass1 questionsHeat and Thermodynamics2 questionsProperties of Matter1 questionsGeometrical Optics1 questionsLaws of Motion1 questionsWave Optics1 questionsCircular Motion1 questionsElectrostatics1 questionsRotational Motion2 questionsAtoms and Nuclei1 questionsWork Power and Energy1 questionsGravitation1 questionsCapacitor1 questionsUnits and Measurements2 questionsDual Nature of Radiation1 questionsElectromagnetic Induction1 questionsElectromagnetic Waves1 questions
- Q39.Identify the correct output signal Y in the given combination of gates (as shown) for the given inputs A and B. Includes diagramPhysics · Electronic Devices · MCQ
- Q40.A particle of charge q and mass m is moving with a velocity (v 0) towards a large screen placed in the Y - Z plane at a distance d. If there is a magnetic field , the maximum value…Physics · Magnetics · MCQ
- Q41.Two bodies of the same mass are moving with the same speed, but in different directions in a plane. They have a completely inelastic collision and move together thereafter with a final speed which is half of their initial speed. The angle…Physics · Center of Mass · Numerical
- Q42.Molecules of an ideal gas are known to have three translational degrees of freedom and two rotational degrees of freedom.The gas is maintained at a temperature of T. The total internal energy, U of a mole of this gas, and the value of …Physics · Heat and Thermodynamics · MCQ
- Q43.An object of mass m is suspended at the end of a massless wire of length L and area of crosssection A. Young modulus of the material of the wire is Y. If the mass is pulled down slightly its frequency of oscillation along the vertical…Physics · Properties of Matter · MCQ
- Q44.A point like object is placed at a distance of 1 m in front of a convex lens of focal length 0.5 m. A plane mirror is placed at a distance of 2 m behind the lens. The position and nature of the final image formed by the system is :Physics · Geometrical Optics · MCQ
- Q45.An insect is at the bottom of a hemispherical ditch of radius 1 m. It crawls up the ditch but starts slipping after it is at height h from the bottom. If the coefficient of friction between the ground and the insect is 0.75, then h is : (g…Physics · Laws of Motion · MCQ
- Q46.In the figure below, P and Q are two equally intense coherent sources emitting radiation of wavelength 20 m. The separation between P and Q is 5 m and the phase of P is ahead of that of Q by 90o. A, B and C are three distinct points of… Includes diagramPhysics · Wave Optics · MCQ
- Q47.A clock has a continuously moving second's hand of 0.1 m length. The average acceleration of the tip of the hand (in units of ms–2) is of the order of :Physics · Circular Motion · MCQ
- Q48.Charges Q1 and Q2 are at points A and B of a right angle triangle OAB (see figure). The resultant electric field at point O is perpendicular to the hypotenuse, then is proportional to : Includes diagramPhysics · Electrostatics · MCQ
- Q49.An electron is moving along +x direction with a velocity of 6 106 ms–1. It enters a region of uniform electric field of 300 V/cm pointing along +y direction. The magnitude and direction of the magnetic field set up in this region…Physics · Magnetics · MCQ
- Q50.Shown in the figure is a hollow icecream cone (it is open at the top). If its mass is M, radius of its top, R and height, H, then its moment of inertia about its axis is : Includes diagramPhysics · Rotational Motion · MCQ
- Q51.You are given that Mass of = 7.0160u, Mass of = 4.0026u and Mass of = 1.0079u. When 20 g of is converted into by proton capture, the energy liberated, (in kWh), is : [Mass of nucleon = 1…Physics · Atoms and Nuclei · MCQ
- Q52.If the potential energy between two molecules is given by U = , then at equilibrium, separation between molecules, and the potential energy are :Physics · Work Power and Energy · MCQ
- Q53.A satellite is in an elliptical orbit around a planet P. It is observed that the velocity of the satellite when it is farthest from the planet is 6 times less than that when it is closest to the planet. The ratio of distances between the…Physics · Gravitation · MCQ
- Q54.For the given input voltage waveform Vin(t), the output voltage waveform V0(t), across the capacitor is correctly depicted by : Includes diagramPhysics · Capacitor · MCQ
- Q55.Four point masses, each of mass m, are fixed at the corners of a square of side . The square is rotating with angular frequency , about an axis passing through one of the corners of the square and parallel to its diagonal, as… Includes diagramPhysics · Rotational Motion · MCQ
- Q56.A screw gauge has 50 divisions on its circular scale. The circular scale is 4 units ahead of the pitch scale marking, prior to use. Upon one complete rotation of the circular scale, a displacement of 0.5mm is noticed on the pitch scale.…Physics · Units and Measurements · MCQ
- Q57.An electron, a doubly ionized helium ion (He++) and a proton are having the same kinetic energy. The relation between their respective de-Broglie wavelengths e, He++ and p is :Physics · Dual Nature of Radiation · MCQ
- Q58.A part of a complete circuit is shown in the figure. At some instant, the value of current I is 1A and it is decreasing at a rate of 102 A s–1. The value of the potential difference VP – VQ , (in volts) at that instant, is … Includes diagramPhysics · Electromagnetic Induction · Numerical
- Q59.Initially a gas of diatomic molecules is contained in a cylinder of volume V1 at a pressure P1 and temperature 250 K. Assuming that 25% of the molecules get dissociated causing a change in number of moles. The pressure of the resulting gas…Physics · Heat and Thermodynamics · Numerical
- Q60.The density of a solid metal sphere is determined by measuring its mass and its diameter. The maximum error in the density of the sphere is %. If the relative errors in measuring the mass and the…Physics · Units and Measurements · Numerical
- Q61.Suppose that intensity of a laser is W/m2. The rms electric field, in units of V/m associated with this source is close to the nearest integer is . 0 = 8.86 × 10–12 C2 Nm–2; c = 3 × 108…Physics · Electromagnetic Waves · Numerical