Reflection and Refraction are two important Phenomena of Light. Concave Mirror and convex mirror are called spherical mirror. Dispersion of,light occurs when it passes through a prism. By: Ashok Kumar! Created By School Address Email Class Mrs.K.Backyalakshmi Madras Seva Sadan Read More …

This project gives you the details about a lens which is a piece of transparent material bound by curved surfaces. By: Ashok Kumar! Created By School Address Email Class M. Dinesh Babu, M.A. Moses Susai Nathan, J. Nijamuden, C.P. Sathish, Read More …

The presentation displays law of reflection. By: Vikrant Mishra! Created By School Address Email Class Unknown Khudra, Orissa

Today we are discussing about laser rays. These rays are used in many areas, like industrial, science & technology, medicine, defence and space science ect. By: Vikrant Mishra! Created By School Address Email Class Padmaja C. R. G. High School Read More …

According to law of flotation,the weight of the floating is equal to the weight of the liquid displaced by it.The center of gravity of the floating body and the center of gravity of the liquid displaced are in the same Read More …

Energy appears in nature in two forms, disordered and ordered. The disordered form, of which heat is a prime example, can be converted into other forms, such as mechanical energy, through a heat engine. By: Vikrant Mishra! Created By School Read More …

Heat is a form of energy. When you rub your hands together heat is produced. As long as we rub the objects heat is continuously produced because of Friction. The work done while rubbing gets converted into heat energy. By: Read More …

It is a combastable substance having carbon as the major constituent which is the proper burning profiles a large quantity of heat. That can be used economically for domestic and industrial purposes. Example-coal, wood, .P.G gas By: Ashok Kumar! Created Read More …

span style=”color: #000000;”>It is defined as an agent which produces or tends to produce, destroy or tends to destroy motion. By: Vikrant Mishra! Created By School Address Email Class Kabita Senapati, Bibhuprasad Mishra Govt. Boy’s High School Bhuwaneswar, Orissa 9th

Energy has many interchangeable forms viz.Heat, Light, Mechanical power, electricity. By: Ashok Kumar! Created By School Address Email Class Unknown Govt. Boy’s High School Bhuwaneswar, Orissa