Monday, December 4, 2017

Wave

Wave- A wave can be described as a disturbance that travels through a medium from one location to another location without the transport of matter.

Types of Waves
Waves can be said of two types – 1. Mechanical Wave and 2. Non – Mechanical Wave

Simple Harmonic Motion

Periodic Motion: Any motion which repeats itself at regular intervals of time is called Periodic Motion or Harmonic Motion. Some of the examples of periodic motion are a rocking chair, a bouncing ball, a vibrating tuning fork, a swing in motion, the Earth in its orbit around the Sun, and a water wave.

•    The interval of time for a repetition, or cycle, of the motion is called a period.
•    The number of periods per unit time is called the frequency.

Thus, the period of the Earth’s orbit is one year, and its frequency is one orbit per year. A tuning fork might have a frequency of 1,000 cycles per second and a period of 1 millisecond (1 thousandth of a second).

Elasticity

Elasticity – The elasticity is the ability of a solid to return to its original shape or form after being subject to strain. Most solid materials display elasticity, up to a load point called the elastic limit; loads higher than this limit cause permanent deformation of the material.

Elastic Limit- The elastic limit is the maximum value of deforming force upto which a material displays elastic properties and above which a material losses its elastic properties.

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