We all know what happens when we turn on a torch or plug in a fan—the device starts working as soon as we flip the switch. But have you ever wondered why the current starts flowing, and how it relates to the voltage we apply? Let’s break down the relationship between current and voltage using […]
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Part I: Physics 1. Units & Measurement Units (Different systems of units, SI units, fundamental and derived units,)Dimensional Analysis Precision and significant figures, Fundamental measurements in Physics (Vernier calipers, screw gauge, Physical balance etc) 2. Kinematics Properties of vectors ,Position, velocity and acceleration vectors ,Motion with constant acceleration, Projectile motion, Uniform circular motion, Relative motion
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Here is NEET Physics Syllabus for 2026 PHYSICS AND MEASUREMENTUnits of measurements, System of Units, S I Units, fundamental and derived units, least count, significant figures, Errors in measurements, Dimensions of Physics quantities, dimensional analysis, and its applications.KINEMATICSThe frame of reference, motion in a straight line, Position- time graph, speed and velocity; Uniform and non-uniform
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This post we will see given a function, how to check if it is one-one function or not. Lets first start with the definition of the one-one functions Definition of one-one functions A function f: A-> B is said to be one-one if, and only if, for all elements a1 and a2 in A, if
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For a functionf:A ->B Set A is called the domain of the function fSet B is called the co-domain of the functionThe set of Images of all elements in Set A is called the range i.e it is the set of values of f(x) that we get for each and every x in the domain
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Here is the Relation and function class 12 formulas What is Relations A relation R from a non-empty set A to a non-empty set B is a subset of the Cartesian product A × B. It “maps” elements of one set to another set. The subset is derived by describing a relationship between the first
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Into functions are those functions where range is a subset of the codomain of the functions but range is not equal to co-domain Definition A function f: A-> B is said to be into if every element of B is not image of some element of A under f, i,efor every y ? B, there
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Here in this post , we will see how to find the inverse of a function Inverse Function How to find the inverse of a function Method I Method II Method III Let f(x) be the function and $f^{-1}(x) $ be the inverse We can use below equation $f(f^{-1}(x)) =x$ Example f(x)=4x -2 $f(f^{-1}(x)) =x$or$4
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