Vitamins-Sources and Deficiency Diseases: Vitamins- Vitamins as the name suggest are vital minerals for life. These are organic compounds which are essential for normal metabolism of body cell though they neither supply energy nor serve as a building material. Vitamin free diet causes certain diseases and may even cause death. These are not synthesised by the …
Kabir and Guru Nanak: Kabir (1440-1518): Unfortunately, nothing very definite is known about the early life of Kabir, who lived either towards the close of the fourteenth century or at the beginning of the fifteenth century. Kabir made earnest efforts to create a spirit of harmony between the Hindus and the Muslims. According to tradition, he …
Noise Pollution: Noise Pollution is a direct result of technological development. Noise, with its ever-increasing effects on human beings and on the environment, is defined as an acoustic fact which is unpleasant and arouses disturbing feeling or as the totality of unwanted, undesired sounds. The human ear is constantly being assailed by man-made sound from all …
Soil Erosion & Soil Conservation Measures: What is Soil? The surface material covering much of the earth, composed of the minerals, particles, humus, water, air, in which plants can grow is called soil. It is the loose material forming the upper layer of the earth’s crust. It is formed slowly over a longer period by chemical …
Air Pollution: Air pollution means the spreading of harmful substances in the air. Such harmful or undesirable substances are called pollutants. Air pollution is generally referred to as the contamination of air that results from the activities of man. The burning of substances generally cause pollution. All fuels contain carbon which on burning in air produces …
Noun-Gender: The Gender of a Noun means the sex of the noun. We see that man and boy belong to the male sex. Woman and girl belong to the female sex. The word baby denotes either she is male or female while pencil is the name of an object without life. In grammar, the difference in …
What is Noun? A noun is a naming thing. A noun is the name of a person, place or thing. Here, anything we can feel or think of is called a thing. Kinds of Noun: There are five kinds of Noun- (1) Common Noun- The name given to one of a class of persons, places or …
The System of Examination: Examinations are a cause of fear to every student. They are condemned with one voice. Still, they are regarded as the test of man’s attainment in the educational field. After one has passed a certain examination, a student is given the necessary diploma or degree certifying the standard of knowledge. But is …
What is Parallel Plate Capacitor? It is an arrangement used for storing electric charge and hence electric energy. Principle of Parallel Plate Capacitor: When we bring uncharged earth connected rod near the charged rod, the capacity of the charged rod increases. Construction and Theory of Parallel Plate Capacitor: It consists of two plates X and Y, …
Capacitor and its Principle: What is Capacitor? It is an arrangement used for storing large amounts of electric charge and hence electric energy. An arrangement of two conductors separated by a dielectric medium is said to form a capacitor or condenser. It is of three types- If the conductors are plane, the capacitor is called parallel …
What is Coulomb’s Law? In 1785 Coulomb deducted a law for the forces of attraction and repulsion between charged bodies. He formulated the law on the basis of direct measurement of the electrostatic force between the charged bodies. Coulomb used a delicate torsional balance for the measurement of force between two charged bodies. In one set …
Democracy and Education by John Dewey: Democracy is that way of life in which every member of the society has a say not only in the Government but also in the administration and working of the society. He believes in providing equal opportunity to all and “means freeing intelligence for independent effectiveness, the emancipation of the …
Kinds of Discipline by Admas: The old educationists were of the opinion that punishment is the only instrument by which a child can be made disciplined. Repression of his impulsive action is only possible through punishments. According to Admas, there are three main kinds of discipline i.e. Repressionistic, Impressionistic and Emancipationistic. (1) Repressionistic- Repressionistic types of …
Discipline and Freedom: Our forerunners had a conception that discipline is a term that is apart from freedom. These thinkers and educators believed that freedom makes the children vagabonds. Thus, the interpretation of the term ‘discipline’ according to those educators was control over freedom. In other words, for the maintenance of discipline, children must not be …
Levels of Discipline: There are four levels of discipline- (1) The Prudential Level- When a child believes in nature and is afraid of being punished by the nature for every wrong step taken by him, then he will avoid acting against nature. He will try to stop forward according to natural laws. This awakening is a …
