Reflection and Refraction
25B Reflection and Refraction
How does light behave when its path is changed?
Looking in a mirror we see a twin of ourselves
reversed left-to-right. A fish underwater appears
in a different place from where the
Spring 2010- Home Lab Week 4 Reflection of Light Rays
Home Lab 4
Reflection of Light Rays
Overview: With a simple flat mirror, paper, and a ruler we can demonstrate how we see reflections of
different objects in mirrors.
Activity 4 - 1: Trac
Practice Test Answer Key
The purpose of these practice test materials is to orient teachers and
students to the types of questions on paper-based FSA tests. By using these
materials, students will become familiar with the types of
A machine is a device for multiplying forces
or simply changing the direction of forces.
Many machines can increase the speed
with which work is done.
The law of conservation of energy applies
to all machines!
At the same time we
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TotalNo.of Printed Pages 11
TotalNo.of Questions 7
Maximum Marks 100
Answers to questions are tobe given onlyinEnglish except in the case of
candidates whohave opted for Hindi Medium. If a ca