Electromagnetic Waves It was once the great Scottish physicist James Clerk Maxwell (1831-1879) who had presented that electric and magnetic fields unstable together can form a spreading wave‚ appropriately called an electromagnetic wave. The properties of an electromagnetic wave are as follows: 1. They can travel through a vacuum at the same high speed‚ which is much faster than other types of waves that travel through a material. 2. They show the normal wave properties of reflection‚ refraction
Free Electromagnetic radiation Light Electromagnetic spectrum
In the novel‚ The Lord of the Flies‚ the conch symbolizes democracy. At the beginning of the chapter two‚ Raph hesitantly calls a meeting‚ through the conch‚ he finds the power to be a leader. As he nervously looked around‚ “Ralph lifted the cream and pink shell to his knees and a sudden breeze scattered light over the platform...all at once he found that he could talk fluently and explain what he had to say” (Golding 31). As Ralph is picking up the conch‚ a disturbance is in the atmosphere‚ showing
Premium Leadership William Golding Management
inexpensive‚andsafesoisoftenthefirstchoiceof a medical imaging method where feasible Sound waves • Sound wave propagate by longitudinal motion (compression/expansion)‚ but not transverse motion (side-to-side) • Can be modeled as weights connected by springs 1Ultrasonic Waves and properties • Mechanical waves are longitudinal compression waves • “Ultrasound” refers to frequencies greater than 20kHz‚ the limit of human
Premium Acoustics Ultrasound Sound
Etymologically‚ democracy comes from two Greek words‚ demos and cratein. Demos means society while cratein means authority. There are many terminological definitions of democracy‚ one of it is definition is by Henry B. Mayo stating that democracy is a political system showing the public policy determined by representatives audited effectively by the society by having periodic elections based on principles of political similarities in a situation where there is freedom to choose. This means that
Premium Democracy Human rights
INFRARED WAVES * Infrared (IR) light is electromagnetic radiation with a wavelength longer than that of visible light How They’re Made: Infra red waves are just below visible red light in the electromagnetic spectrum ("Infra" means "below"). You probably think of Infra-red waves as heat‚ because they’re given off by hot objects‚ and you can feel them as warmth on your skin. Infra Red waves are also given off by stars‚ lamps‚ flames and anything else that’s warm - including you. The detector
Premium Infrared
their leaders are not paying attention to what the people want. Many governments become too powerful and abuse their own people. To stop this problem we need the right type of government‚ therefore a democracy would be the best choice. Democracy is a government for the people‚ by the people‚ of the people. Democracy is the most sufficient type of government. Popular sovereignty and equality are the best core democratic values that support democracy. A core democratic value is the fundamental
Premium Democracy Government Monarchy
What is Democracy? 1.government by the people; a form of government in which thesupreme power is vested in the people and exercised directly bythem or by their elected agents under a free electoral system. 2.a state having such a form of government. 3.a state of society characterized by formal equality of rights andprivileges. 4.political or social equality; democratic spirit. 5.the common people of a community as distinguished from anyprivileged class; the common people with respect to theirpolitical power
Premium Democracy Law Human rights
29 September 2013 What are the Unique Traits of Athenian Democracy? There are several traits that make Athenian democracy unique not only in the ancient world but also in the modern world as well. For the first time in recorded history‚ citizens had a say in what laws were to govern them . Democracy was an unknown and alien concept in the ancient world‚ and Athenians knew that their political process was different in and they were intensely proud of it. “Our form of government does not enter
Premium Government Athenian democracy Democracy
In the beginning of the chapter‚ we are told what is power‚ in the political sense‚ and who has the authority to use it. There are two different understandings of democracy: direct democracy (the rule of many) and representative democracy. The US government uses representative democracy‚ everyone is given their own power‚ even if it’s as minimal as voting for a leader to represent you. The Framers of the Constitution believed a direct democracy would lead to people following the popular opinion
Premium Democracy Government United States
POLITICAL SCIENCE-POL101 QUESTION 1: WHAT IS THE ROLE OF POLITICAL PARTIES IN DEMOCRACY? DISCUSS WITH THE AID OF EXAMPLES. 04/10/2013 INTRODUCTION The purpose of this essay is to discuss the roles of political parties in a democracy. Before going any further‚ the discussion will start with an introduction where key terminologies making the question will be defined‚ secondly a discussion on roles played by political parties in a democracy with the aid of examples and lastly a
Premium Democracy Political party Human rights