Light Class 10 | SEE Physics Notes

Light Class 10 | SEE Notes Light: Definition: The light is the form of energy which produces the sensation of vision to our eyes. The light is invisible itself but it makes object visible. Its electromagnetic wave of velocity is 3×108m/s in vacuum or air. The study of light is optics. Lens: Definition: The lens is the … Read more

What is heat? Class10| SEE Physics Notes

What is Heat? Class 10| SEE Physics notes Heat: Definition: The heat is a form of energy which produces the sensation of warmth (Hotness). It is measured in Joule(J). Temperature: Definition: The degree of hotness or coldness of a body is called temperature.Its SI unit is Kelvin (K). A relation between Joule and Calorie: 2.4 Joule=1 … Read more

Energy Class 10 | SEE Physics Notes

Energy Class 10 | SEE Physics Notes Energy: Energy: The Capacity of doing work is called Energy. Its SI unit is Joule(J). Source of Energy: Renewable source of energy. Non-Renewable source of energy, etc. Renewable source of energy and non-renewable source of energy: Renewable source of energy Non-Renewable source of energy The source of energy which … Read more

Pressure Class 10| SEE Physics Notes

Pressure Class 10| SEE Physics Notes Pressure: Definition: The pressure is the force applied on a per unit area. Formula of Pressure (P)= Force(F)/Area(A) P= F/A Unit of Pressure= Force(F)/Area(A)= F/m²= pascal(pa). Pascal(P): P=  F/A= 1N/1m²= 1/1 = 1pascal The 1 pascal is the pressure when 1N force is applied at 1m². Atmospheric Pressure: Definition: The … Read more

Essay on Population Problems in Nepal

Essay on Population Problems in Nepal The total number of people living in a certain place and in a certain time is known as a population. A population consists of males and females. Populations are always in flux. Every day some babies are born and some people die. In the context of Nepal, a population … Read more