reference point

The rays of light parallel to the principal axis of a mirror after reflection, either pass through a point (in the case of a concave mirror) or appear to diverge from a point (in the case of a convex mirror) on the principal axis and this point is referred t..

Distance is a scalar quantity. SI unit of distance is metre.Displacement is the shortest distance covered by a moving object from the point of reference (initial position of the body), in a specified directio..

Displacement is the shortest distance covered by a moving object from the point of reference (initial position of the body), in a specified directio..

The rays of light parallel to the principal axis of a mirror after reflection, either pass through a point (in case of a concave mirror) or appear to diverge from a point (in the case of a convex mirror) on the principal axis and this point is referred to..

Translation of Axes - An equation corresponding to a set of points with reference to a system of coordinate axes may be simplified by taking the set of points in some other suitable coordinate system, such that all geometrical properties remain unchanged. One such tran..

Displacement Vector - Displacement vector is a vector which gives the position of a point with reference to a point other than the origin of the coordinate system. Let a particle at a point P at an instant of time t, move to another point Q at time ..

>. Atomic masses are not expressed as whole numbers because natural elements are mixtures of two or more isotopes. The atomic weight of chlorine is 35.43 amu. Chlorine exists as two isotopes in the ratio. Therefore average atomic masses are not whole numbers. Avogadro explained further that there a..

The position of a point in a plane is fixed by selecting two axes of reference which are formed by combining two number lines at right angles so that their zeros coincide. The horizontal number line is called x-axis and the vertical number line is called y-axi..

. To be more precise, mgh is the energy of the Earth - Body system. The potential energy at a point depends on the reference level. However, the difference of potential energy between two points is independent of the reference leve..

The position of a point in a plane is fixed by selecting two axes of reference which are formed by combining two number lines at right angles so that their zeros coincide. The horizontal number line is called x-axis and the vertical number line is called y-axis. The poin..