JEE Main 2025 - Physics Memory Based Questions

A measure of a material's ability to store electrical energy when a potential difference is applied across it.

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

The energy stored in a capacitor due to the presence of an electric field between its plates.

The property of a body to resist changes in its rotational motion.

The wave-like nature of particles, described by the relationship between a particle's momentum and wavelength.

A fundamental constant in electromagnetism, representing the permeability of free space.

A force of attraction between objects with mass.

An instrument used to measure very small lengths or distances.

The smallest length that can be measured by a Vernier caliper.

The energy possessed by an object due to its motion.

The process of converting ice into steam, involving changes in temperature and phase.

A curved lens that converges light rays to a focal point.

The distance from the lens to the point where parallel light rays converge after passing through the lens.

The index of refraction of a material is a measure of how much light bends when it passes from one medium to another.

The force experienced by a charged particle moving in an electric field.

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

The emission of electrons from a metal surface when light of sufficient frequency is incident on it.

A musical instrument that produces sound by vibrating air inside a tube.

The natural frequencies at which an object vibrates, leading to resonance.

The ratio of the mass of a substance to its volume.

A phenomenon involving the interference of light waves, creating bright and dark bands.

The speed at which light travels through a medium.

A set of elements that have similar chemical properties, due to their shared electron configuration.

A molecule with a linear shape, where all atoms lie on a straight line.

The percentage of a specific element present in a compound.

A process involving the use of electrical energy to drive a non-spontaneous chemical reaction.

The tendency of an atom to attract electrons towards itself when involved in a chemical bond.

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

The time taken for half of the radioactive nuclei in a sample to decay.

The process by which unstable atomic nuclei spontaneously emit particles or energy.

The difference in boiling point of a solution compared to the pure solvent.

A substance that provides essential nutrients, important for growth and development.

The spatial arrangement of atoms in a molecule, considering the possibilities of chirality.

A systematic method for naming chemical compounds, based on the structure and functional groups.

A pair of isomers with different spatial arrangements of atoms around a double bond.

The charge on the central metal ion in a complex ion.

The arrangement of atoms or ligands around the central metal ion in a complex ion.

A measure of the tendency of a substance to react chemically.

The state of a system where the forward and reverse rates of a reaction are equal.

The equilibrium constant for a reaction expressed in terms of partial pressures.

A type of nucleophilic substitution reaction where the leaving group leaves first to form a carbocation intermediate.

A type of nucleophilic substitution reaction where the nucleophile attacks the substrate in one step.

The wavelength of a particle, as defined by the de Broglie hypothesis.

A measure of the energy change occurring during a chemical reaction.

The energy associated with the internal state of a system.

The product of the force applied to an object and the distance moved in the direction of the force.

The transfer of thermal energy between objects at different temperatures.

A measure of the tendency of a substance to undergo a change in its physical state.

The first law of thermodynamics is the conservation of energy - energy is not created or destroyed, it can only be transferred and transformed.

The second law of thermodynamics states that the entropy of an isolated system always increases over time.

The third law of thermodynamics states that the entropy of a system approaches a constant value as the temperature approaches absolute zero.

An equation that describes the relationship between enthalpy change, entropy change, and Gibbs free energy change.

A geometrical shape with two foci and a set of points where the difference between the distances to the foci is constant.

A line segment passing through the focus of a conic section and perpendicular to the axis of symmetry.

A relationship where each element of a set is related to exactly one element of another set.

A relationship where each element of a set is related to at least one element of another set.

A set of elements where the order of elements does not matter.

A relationship where elements within the same set are considered equivalent.

A sequence of numbers where each term is obtained by multiplying the previous term by a constant factor.

The process of finding the derivative of a function.

A function that describes the relationship between an independent variable and its derivative.

The area enclosed by a closed curve.

The process of finding the integral of a function.

The set of all real numbers.

The set of all integers, including positive and negative numbers and zero.

The set of all rational numbers, expressed as fractions of integers.

The set of all irrational numbers, which cannot be expressed as fractions of integers.

A number that can be written as a product of primes.

A number that has exactly two factors: 1 and itself.

The greatest common divisor of two or more integers.

The least common multiple of two or more integers.