JEE Main 2025 - Physics Memory Questions

The ability of a material to store electrical energy by accumulating electric charge. Measured in Farads (F).

The ratio of the electric field strength in a vacuum to the electric field strength in the dielectric material.

The increase in charge stored in a capacitor when a dielectric material is introduced between its plates.

The energy stored in a capacitor is increased due to the introduction of a dielectric material.

A measure of an object's resistance to rotational motion about a specific axis.

The de Broglie wavelength of a particle is inversely proportional to its momentum.

The radius of an electron's orbit in a hydrogen atom is directly proportional to the square of the principal quantum number (n).

The permeability of free space (μ0) is a fundamental constant in electromagnetism. It represents the ability of vacuum to support the formation of a magnetic field.

The force of gravity between two objects is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.

A device used to measure very small lengths, often with a precision of 0.01 mm.

The smallest length that the Vernier Caliper can accurately measure.

The energy possessed by an object due to its motion.

The amount of heat energy required to raise the temperature of a substance by a certain amount.

A lens that converges parallel light rays to a single point, forming a real image.

The ratio of the speed of light in a vacuum to the speed of light in the medium.

The distance between the object and the lens when the image is formed at the same location as the object.

The force exerted on a charged particle by an electric field.

The minimum energy required to remove an electron from a metal surface.

A phenomenon where electrons are emitted from a metal surface when light of sufficient energy is incident on it.

The fundamental unit of frequency, representing one cycle per second.

A closed organ pipe has one closed end and one open end, while an open organ pipe has both ends open.

The ratio of the density of one gas to the density of another gas.

The force of attraction between objects with mass.

A theoretical object that absorbs all incoming radiation and emits radiation at a rate determined by its temperature.

The energy emitted by a black body is proportional to the fourth power of its absolute temperature.

A phenomenon where two waves interfere with each other, creating bright and dark fringes.

The distance between two consecutive bright or dark fringes in Young's Double Slit Experiment.

A measure of the ability of a substance to resist deformation.

The process of replacing one functional group in a molecule with another.

A reaction mechanism where the rate of reaction is independent of the concentration of the nucleophile.

A reaction mechanism where the rate of reaction is directly proportional to the concentration of both the substrate and the nucleophile.

The wave-like behavior of particles, where their wavelength is inversely proportional to their momentum.

A constant that relates the energy of a photon to its frequency.

A measure of the tendency of an atom to attract electrons towards itself.

The energy change that occurs when an electron is added to a neutral atom in the gaseous state.

The process of separating ions in a solution by applying an electric current.

A solution containing a high concentration of solute.

A solution containing a low concentration of solute.

An acid that is also a vitamin, essential for the body.

A molecule that can exist in multiple spatial arrangements due to the presence of chiral centers.

The systematic name of a chemical compound, based on established rules.

The number of atoms in a molecule.

The three-dimensional arrangement of atoms in a molecule.

The state of a reaction where the rates of the forward and reverse reactions are equal, and the concentrations of reactants and products remain constant.

The ratio of the products of the partial pressures of the products to the products of the partial pressures of the reactants, each raised to the power of their stoichiometric coefficients.

The total energy of a system, including both internal energy and work.

The energy transferred between a system and its surroundings as heat.

The energy transferred between a system and its surroundings as a result of work done.

A relationship showing the order of a property for a series of elements.

The process of finding the solution of a differential equation that satisfies a given condition.

A set of elements in which each element is related to itself and elements with the same properties are grouped together.

A sequence where each term is multiplied by a constant factor to get the next term.

The sum of the terms in a finite or infinite geometric progression.

The angle made by a line segment with the positive x-axis.

The set of all possible values that a variable can take.

The set of all possible output values of a function.

A function that is defined by a set of ordered pairs.

A function that is defined by a continuous curve.

The process of finding the derivative of a function.

The process of finding the antiderivative of a function.