L25Note_Refraction(9)

# L25Note_Refraction(9) - 1 1 PHYS 112, SP08, Cui Lecture 25,...

This preview shows pages 1–2. Sign up to view the full content.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 1 1 PHYS 112, SP08, Cui Lecture 25, 04/14/08 Refraction • Refraction • Total Internal Reflection • 22.3 & 22.7 2 PHYS 112, SP08, Cui Lecture 25, 04/14/08 Review • Ray Model – light travels in straight line • Law of Reflection • Plane mirror ' 1 1 θ θ = angle of reflection The angle between the reflective ray and the normal to the surface. angle of incidence The angle between the incident ray and a line perpendicular to the surface – the normal to the surface. 3 PHYS 112, SP08, Cui Lecture 25, 04/14/08 What is θ 1 ? A. 40 ° B. 45 ° C. 50 ° D. 90 ° E. None of the above. 4 PHYS 112, SP08, Cui Lecture 25, 04/14/08 Refraction • When a ray of light traveling through a transparent medium encounters a boundary leading into another transparent medium. – part of the ray is reflected from the boundary (____). – part of the ray transmitted into the second medium (____). • The ray that enters the second medium is _______ at the boundary. • This bending of the ray is called __________ 5 PHYS 112, SP08, Cui Lecture 25, 04/14/08 Reflected and Refracted Rays • Ray 1 is the incident ray • Ray 2 is the reflected ray • Ray 3 is refracted into the lucite • Ray 4 is internally reflected in the lucite • Ray 5 is refracted as it enters the...
View Full Document

## This note was uploaded on 04/27/2008 for the course PHYS 112 taught by Professor Cui during the Spring '08 term at UMBC.

### Page1 / 2

L25Note_Refraction(9) - 1 1 PHYS 112, SP08, Cui Lecture 25,...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online