Parabola
Chapter Name : Conic Section |
Sub Topic Code : 104_11_11_04_01 |
Topic Name : Parabola |
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Sub Topic Name : Standard Equation Of Parabola |
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Introduction
Introduction to parabola and its standard equation.
Pre-Requisites:
Introduction of conic sections.
Activity:
Parabola is a special curve in the conic sections.
Real Life Question:
What is a Parabola?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Parabola | A parabola is the set of all points in a plane that are equidistant from a fixed line and a fixed point (not on the line) in the plane. |
| Directrix and Focus | The fixed line is called the directrix of the parabola and the fixed point F is called the focus. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Take a cone | A parabola obtained as the intersection of a cone with a plane parallel to a straight line on its surface. |
Real life uses :
Construction of antennas mirrors and lenses.
Practical examples around us
| Examples | Explainations |
|---|---|
| The concave mirror | Concave mirrors are shaped as parabola. |
| Dish antenna | Such antennas are parabolic in shape. |
What you learn in Theory:
Introduction to parabola and related terms.
What you learn in Practice:
Use of the equation and its real examples.