Units and Measurements
Std-11th
The process of measurement is basically a comparison process.
Std-11th
The process of measurement is basically a comparison process.
Std-11th
Magnetism is one aspect of the combined electromagnetic force. It refers to physical phenomena arising from the force caused by magnets.
Std-11th
Force of attraction was first observed by Sir Isaac Newton and was presented as Newton’s law of gravitation in the year 1680.
Class - 11th
The organized array of all the chemical elements in order of increasing atomic number.
Class - 11th
This chapter discusses the concept of oxidation and reduction, redox reactions, oxidation number, balancing redox reactions, in terms of loss and gain of electrons, change in oxidation number, and applications of redox reactions.
Class - 11th
An atom is a complex arrangement of negatively charged electrons arranged in defined shells about a positively charged nucleus. This nucleus contains most of the atom's mass and is composed of protons and neutrons (except for common hydrogen which has only one proton).
Class - 11th
Trigonometry is a branch of mathematics dealing with relations involving lengths and angles of triangles. It can, in a simpler manner, be called the study of triangles. The angles are either measured in degrees or radians.
Class - 11th
A circle is the set of all points equidistant from a given point. The point from which all the points on a circle are equidistant is called the center of the circle, and the distance from that point to the circle is called the radius of the circle.
Class - 11th
A straight line is defined as a line traced by a point travelling in a constant direction with zero curvature. In other words, the shortest distance between two points is called a straight line.
Class - 11th
A cell is defined as the smallest, basic unit of life that is responsible for all of life's processes.” Cells are the structural, functional, and biological units of all living beings. A cell can replicate itself independently. Hence, they are known as the building blocks of life.
Class - 11th
Kingdom Plantae includes all the plants. They are eukaryotic, multicellular and autotrophic organisms. The plant cell contains a rigid cell wall. Plants have chloroplast and chlorophyll pigment, which is required for photosynthesis.
Class - 11th
A biomolecule is a chemical compound found in living organisms. These include chemicals that are composed of mainly carbon, hydrogen, oxygen, nitrogen, sulfur and phosphorus. Biomolecules are the building blocks of life and perform important functions in living organisms.