Physics · 2020 · 4 Sep · 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 · 2020 · 4 Sep · Shift 1
25 questions from this JEE Main paper
Motion in A Straight Line1 questionsCenter of Mass1 questionsAtoms and Nuclei1 questionsDual Nature of Radiation2 questionsUnits and Measurements1 questionsGravitation1 questionsElectromagnetic Waves1 questionsWaves1 questionsCurrent Electricity1 questionsElectrostatics2 questionsProperties of Matter1 questionsMagnetics1 questionsElectromagnetic Induction1 questionsHeat and Thermodynamics3 questionsElectronic Devices1 questionsWave Optics1 questionsMagnetic Properties of Matter1 questionsRotational Motion2 questionsGeometrical Optics1 questionsMotion in A Plane1 questions
- Q40.A Tennis ball is released from a height h and after freely falling on a wooden floor it rebounds and reaches height . The velocity versus height of the ball during its motion may be represented graphically by : (graph are…Physics · Motion in A Straight Line · MCQ
- Q41.Blocks of masses m, 2m, 4m and 8m are arranged in a line on a frictionless floor. Another block of mass m, moving with speed v along the same line (see figure) collides with mass m in perfectly inelastic manner. All the subsequent… Includes diagramPhysics · Center of Mass · MCQ
- Q42.In the line spectra of hydrogen atoms, difference between the largest and the shortest wavelengths of the Lyman series is 304 . The corresponding difference for the Paschan series in is : …Physics · Atoms and Nuclei · Numerical
- Q43.Given figure shows few data points in a phot electric effect experiment for a certain metal. The minimum energy for ejection of electron from its surface is: (Plancks constant h = 6.62 × 10–34 J.s) Includes diagramPhysics · Dual Nature of Radiation · MCQ
- Q44.Dimensional formula for thermal conductivity is (here K denotes the temperature):Physics · Units and Measurements · MCQ
- Q45.On the x-axis and at a distance x from the origin, the gravitational field due a mass distribution is given by in the x-direction. The magnitude of gravitational potential on the…Physics · Gravitation · MCQ
- Q46.Choose the correct option relating wave lengths of different parts of electromagnetic wave spectrum:Physics · Electromagnetic Waves · MCQ
- Q47.For a transverse wave travelling along a straight line, the distance between two peaks (crests) is 5 m, while the distance between one crest and one trough is 1.5 m. The possible wavelengths (in m) of the are :Physics · Waves · MCQ
- Q48.A battery of 3.0 V is connected to a resistor dissipating 0.5 W of power. If the terminal voltage of the battery is 2.5 V, the power dissipated within the internal resistance is :Physics · Current Electricity · MCQ
- Q49.A two point charges 4q and -q are fixed on the x-axis at x = and x = respectively. If a third point charge 'q' is taken from the origin to x = d along the semicircle as shown in the figure, the energy of the… Includes diagramPhysics · Electrostatics · MCQ
- Q50.A air bubble of radius 1 cm in water has an upward acceleration 9.8 cm s–2. The density of water is 1 gm cm–3 and water offers negligible drag force on the bubble. The mass of the bubble is (g = 980 cm/s2).Physics · Properties of Matter · MCQ
- Q51.Particle A of mass mA = moving along the x-axis with velocity v0 collides elastically with another particle B at rest having mass mB =. If both particles move along the x-axis after the collision, the change …Physics · Dual Nature of Radiation · MCQ
- Q52.A wire A, bent in the shape of an arc of a circle, carrying a current of 2 A and having radius 2 cm and another wire B, also bent in the shape of arc of a circle, carrying a current of 3 A and having radius of 4 cm, are placed as shown in… Includes diagramPhysics · Magnetics · MCQ
- Q53.A small bar magnet is moved through a coil at constant speed from one end to the other. Which of the following series of observations will be seen on the galvanometer G attached across the coil? Three positions shown describe : (a) the… Includes diagramPhysics · Electromagnetic Induction · MCQ
- Q54.Match the ratio for ideal gases with different type of molecules : Includes tablePhysics · Heat and Thermodynamics · MCQ
- Q55.Take the breakdown voltage of the zener diode used in the given circuit as 6V. For the input voltage shown in figure below, the time variation of the output voltage is: (Graphs drawn are schematic and not to scale) Includes diagramPhysics · Electronic Devices · MCQ
- Q56.The specific heat of water = 4200 J kg-1K-1 and the latent heat of ice = 3.4 105 J kg–1. 100 grams of ice at 0oC is placed in 200 g of water at 25oC. The amount of ice that will melt as the temperature of water reaches 0oC is…Physics · Heat and Thermodynamics · MCQ
- Q57.A beam of plane polarised light of large cross-sectional area and uniform intensity of 3.3 Wm-2 falls normally on a polariser (cross sectional area 3 10-4 m2) which rotates about its axis with an angular speed of 31.4 rad/s. The…Physics · Wave Optics · MCQ
- Q58.A small bar magnet placed with its axis at 30o with an external field of 0.06 T experiences a torque of 0.018 Nm. The minimum work required to rotate it from its stable to unstable equilibrium position is :Physics · Magnetic Properties of Matter · MCQ
- Q59.Two charged thin infinite plane sheets of uniform surface charge density and , where || > ||, intersect at right angle. Which of the following best represents the electric…Physics · Electrostatics · MCQ
- Q60.ABC is a plane lamina of the shape of an equilateral triangle. D, E are mid points of AB, AC and G is the centroid of the lamina. Moment of inertia of the lamina about an axis passing through G and perpendicular to the plane ABC is I0 . If… Includes diagramPhysics · Rotational Motion · Numerical
- Q61.In a compound microscope, the magnified virtual image is formed at a distance of 25 cm from the eye-piece. The focal length of its objective lens is 1 cm. If the magnification is 100 and the tube length of the microscope is 20 cm, then the…Physics · Geometrical Optics · Numerical
- Q62.A circular disc of mass M and radius R is rotating about its axis with angular speed . If another stationary disc having radius and same mass M is droped co-axially on to the rotating disc. Gradually both discs…Physics · Rotational Motion · Numerical
- Q63.A closed vessel contains 0.1 mole of a monoatomic ideal gas at 200 K. If 0.05 mole of the same gas at 400 K is added to it, the final equilibrium temperature (in K) of the gas in the vessel will be close to .Physics · Heat and Thermodynamics · Numerical
- Q64.Starting from the origin at time t = 0, with initial velocity 5 ms-1 , a particle moves in the x-y plane with a constant acceleration of ms-2. At time t, its coordinates are (20…Physics · Motion in A Plane · MCQ