'Principal focus' presentation slideshows

LIGHT : REFLECTION AND REFRACTION

LIGHT : REFLECTION AND REFRACTION. LIGHT. Light is a form of electromagnetic radiation that causes the sensation of sight. It is an indispensable tool without which we cannot explore the colorful beauty of nature.

3.84k views • 54 slides

Write the names of the seven electromagnetic waves in the order of frequency (low to high)

Write the names of the seven electromagnetic waves in the order of frequency (low to high) The frequency of an electromagnetic wave is measured to be 1.6 x 10 18 Hz. What type of electromagnetic wave would it be?

554 views • 45 slides

Physics

Physics. PHS 5041 Optics Curved Mirrors. PHS 5041 Optics Curved Mirrors. PHS 5041 Optics Curved Mirrors. PHS 5041 Optics Curved Mirrors. PHS 5041 Optics Curved Mirrors. PHS 5041 Optics Curved Mirrors. PHS 5041 Optics Curved Mirrors. PHS 5041 Optics Curved Mirrors.

485 views • 38 slides

LENSES

LENSES. A lens is defined as - A ground or molded piece of glass, plastic, or other transparent material with opposite surfaces either or both of which are curved, by means of which light rays are refracted so that they converge or diverge to form an image. LENSES.

384 views • 34 slides

Lenses

464 views • 33 slides

Images Formed By Lenses

Images Formed By Lenses. Section 12.2 Pages 494 - 498. Lens Terminology. The principal axis is an imaginary line drawn through the optical centre perpendicular to both surfaces. The axis of symmetry is an imaginary vertical line drawn through the optical centre of a lens. Lens Terminology.

1.58k views • 29 slides

Lenses: Drawings

Lenses: Drawings. Lesson 9 November 23 rd , 2010. Seeing in the Dark.

542 views • 28 slides

Lenses

Lenses. Lesson 10. Types of Lenses. If you have ever used a microscope, telescope, binoculars, or a camera, you have worked with one or more lenses.

268 views • 25 slides

There are two types of light:

448 views • 21 slides

The Legal System

149 views • 14 slides

227 views • 13 slides

336 views • 12 slides

National Health Access Citizens Health Care Working Group

National Health Access Citizens Health Care Working Group. May 12, 2005. Presented by: Kenneth L. Sperling CIGNA HealthCare. Background. The HR Policy Association Represents the senior HR leadership of Fortune 500 companies Over 240 member companies; cross-section of American industry

218 views • 9 slides

Introduction to Lenses

Introduction to Lenses. Definition of a lens. A lens is transparent piece of plastic or glass with at least one refractive surface. How do lens work. A lens works by refracting (bending) light rays as they pass through it so they change direction

642 views • 6 slides