Physics Essays

The faint melodious sounds of insects buzzing to attract their mates and frogs croaking under the falling dew from the trees, announcing the fall of the night and greatly anticipating the rise of the day. While the humans are still asleep in slumber land, the animals of every corner of …

The 1960 psychological thriller, Psycho, directed by Alfred Hitchcock, challenge of social, film conventions and audience expectations at the time. The scene reveals an underlying uneasiness in the character of Norman Bates. The extract, the parlour scene, shows how Hitchcock uses cinematography and mise-en-scene to reveal the many layers of …

In middle school your child will be learning all about heat energy and temperature measurement, and will likely get to use a lab thermometer. This project will enable your child to construct a homemade thermometer that will compliment what he’s learning about this instrument in school. What You Need: * …

The question paper comprises of two sections, A and B. You are to attempt both the sections. i) All questions are compulsory. ii) There is no overall choice. However, internal choice has been provided in all the five questions of five marks category. Only one option in such questions is …

ABSTRACT Typically electronics has been defined in terms of three fundamental elements such as resistors, capacitors and inductors. These three elements are used to define the four fundamental circuit variables which are electric current, voltage, charge and magnetic flux. Resistors are used to relate current to voltage, capacitors to relate …

Imagine spinning a ball on a string around you. The ball is traveling in a circular path. But Newton’s first law states that an object in motion stays in motion and that motion is in a straight path, not a circular path. Since the ball is traveling in a circular …

Kepler’s Laws Towards the end of the sixteenth century, Tycho Brahe collected a huge amount of data giving precise measurements of the position of planets. Johannes Kepler, after a detailed analysis of the measurements announced three laws in 1619. 1. The orbit of each planet is an ellipse which has …

INTRODUCTION Solar energy, radiant light and heat from the sun, is harnessed using a range of ever-evolving technologies such as solar heating, solar photovoltaics, solar thermal electricity, solar architecture and artificial photosynthesis.[1][2] Solar technologies are broadly characterized as either passive solar or active solar depending on the way they capture, …

I. Concepts A Bunsen burner is a laboratory tool used to produce heat and light. It is named after Robert Bunsen who invented it. It consists of a straight metal tube fastened to a base. The bottom is connected by rubber tubing to a source of gas by the gas …

A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation. The term “laser” originated as an acronym for Light Amplification by Stimulated Emission of Radiation.[1][2] Lasers differ from other sources of light because they emit light coherently. Its …