Physics · 2020 · Shift 1
18 questions from this JEE Advanced 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 · Shift 1
18 questions from this JEE Advanced paper
- Q37.A small roller of diameter 20 cm has an axle of diameter 10 cm (see figure below on the left). It is on a horizontal floor and a meter scale is positioned horizontally on its axle with one edge of the scale on top of the axle (see figure… Includes diagramPhysics · Rotational Motion · MCQ
- Q38.A football of radius R is kept on a hole of radius r (r < R) made on a plank kept horizontally. One end of the plank is now lifted so that it gets tilted making an angle from the horizontal as shown in the figure below. The… Includes diagramPhysics · Laws of Motion · MCQ
- Q39.A stationary tuning fork is in resonance with an air column in a pipe. If the tuning fork is moved with a speed of 2 ms−1 in front of the open end of the pipe and parallel to it, the length of the pipe should be changed for the resonance…Physics · Waves · Numerical
- Q40.A circular disc of radius R carries surface charge density , where 0 is a constant and r is the distance from the center of the disc. Electric flux through a…Physics · Electrostatics · Numerical
- Q41.As shown schematically in the figure, two vessels contain water solutions (at temperature T) of potassium permanganate (KMnO4) of different concentrations n1 and n2 (n1 > n2) molecules per unit volume with n = (n1 − n2)… Includes diagramPhysics · Properties of Matter · Multiple correct
- Q42.When water is filled carefully in a glass, one can fill it to a height h above the rim of the glass due to the surface tension of water. To calculate h just before water starts flowing, model the shape of the water above the rim as a disc… Includes diagramPhysics · Properties of Matter · Numerical
- Q43.Put a uniform meter scale horizontally on your extended index fingers with the left one at 0.00 cm and the right one at 90.00 cm. When you attempt to move both the fingers slowly towards the center, initially only the left finger slips…Physics · Laws of Motion · Numerical
- Q44.One end of a spring of negligible unstretched length and spring constant k is fixed at the origin (0, 0). A point particle of mass m carrying a positive charge q is attached at its other end. The entire system is kept on a smooth… Includes diagramPhysics · Electrostatics · Numerical
- Q45.Consider one mole of helium gas enclosed in a container at initial pressure P1 and volume V1. It expands isothermally to volume 4V1. After this, the gas expands adiabatically and its volume becomes 32V1. The work done by the gas during…Physics · Heat and Thermodynamics · Numerical
- Q46.Shown in the figure is a semicircular metallic strip that has thickness t and resistivity . Its inner radius is R1 and outer radius is R2. If a voltage V0 is applied between its two ends, a current I flows in it. In addition, it is… Includes diagramPhysics · Current Electricity · Multiple correct
- Q47.A particle of mass m moves in circular orbits with potential energy V(r) = Fr, where F is a positive constant and r is its distance from the origin. Its energies are calculated using the Bohr model. If the radius of the particle’s orbit is…Physics · Atoms and Nuclei · Multiple correct
- Q48.Sometimes it is convenient to construct a system of units so that all quantities can be expressed in terms of only one physical quantity. In one such system, dimensions of different quantities are given in terms of a quantity X as follows:…Physics · Units and Measurements · Multiple correct
- Q49.The filament of a light bulb has surface area 64 mm2 . The filament can be considered as a black body at temperature 2500 K emitting radiation like a point source when viewed from far. At night the light bulb is observed from a distance of…Physics · Heat and Thermodynamics · Multiple correct
- Q50.An open-ended U-tube of uniform cross-sectional area contains water (density 103 kg m−3 ). Initially the water level stands at 0.29 m from the bottom in each arm. Kerosene oil (a water-immiscible liquid) of density 800 kg m−3 is added to… Includes diagramPhysics · Properties of Matter · MCQ
- Q51.A light disc made of aluminium (a nonmagnetic material) is kept horizontally and is free to rotate about its axis as shown in the figure. A strong magnet is held vertically at a point above the disc away from its axis. On revolving the… Includes diagramPhysics · Magnetism · MCQ
- Q52.A circular coil of radius R and N turns has negligible resistance. As shown in the schematic figure, its two ends are connected to two wires and it is hanging by those wires with its plane being vertical. The wires are connected to a… Includes diagramPhysics · Magnetism · MCQ
- Q53.A parallel beam of light strikes a piece of transparent glass having cross section as shown in the figure below. Correct shape of the emergent wavefront will be (figures are schematic and not drawn to scale) Includes diagramPhysics · Wave Optics · MCQ
- Q54.A uniform electric field, NC−1 is applied in a region. A charged particle of mass m carrying positive charge q is projected in this region with an initial speed of 2 106… Includes diagramPhysics · Electrostatics · Multiple correct