lens formula for convex and concave lens// magnification // relation between magnification.

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lens formula for convex and concave lens// magnification // relation between magnification.

Nuclear physics -2// mass defect // Binding energy// binding energy curve//problem based on BE.

Nuclear physics(Nuclei)-1

Introduction to lens.Image by convex and concave lens

principle of reversibility, Refraction through glass slab,lateralshift of light

Real depth and apparent depth|| apparent shift..|| ray optics##class 12th

Unit vector, resolution of vector,orthogonal unit vector by sangram sir

problems based on vector addition part -2

scalar vector -4 . problems based on vector addition.

parallelogram law of vector addition.polygon law of vector addition.vector substraction.

scalar and vector -2.Triangle law of vector addition.Determination of angle between two vectors