11 PHYSICS – TERM 2
OPTICS & WAVES
1
UNIT LEARNING GOALS:
DECLARATIVE KNOWLEDGE
The student will know the following definitions:

Amplitude

Frequency

Wavelength

Refraction, Diffraction & Reflection

Refractive Index

Smell’s Law

Critical Angle & Total Internal Reflection

Resonance

Sound energy

Transverse waves

Longitudinal waves

Standing waves

Principle of Superposition

Destructive & Constructive Interference

The wave equation: v=fλ

Fundamental and subsequent resonant frequencies:
Assessment

Exam

Snell’s Law, Critical Angle, Index of
refraction investigation using
Hodgson Light Box & SR Exam
Success Criteria:

Accurate and successful
completion of problems from the
textbook.

Reached set Target.
Key Verbs
 Understand
 Manipulation
 Calculate
 Investigate
.
Resources
fn=nf1 where f1 is the fundamental frequency

Equations for Resonant length of open ended tubes and fixed end
strings:
Ln = nλ/2 where n=1,2,3,…
------------------------------------------------------------------------------Understand and Apply the concepts of:
PROCEDURAL KNOWLEDGE:
Students will be able to:
 generate written scientific reports
 Perform optics experiments involving optics bench, mirrors & lenses
 Use Hodgson Light Box to investigate Snell’s Law
“PHYSICS SPECTRUM”, Peter Eastwell
“New Century Physics”, Richard Walding
 Apply knowledge in problem solving from text.
 Investigate sound using Kundst Tube apparatus
 Investigate wave refraction and diffraction using wave tanks,
diffraction gratings and Young’s Double Slit apparatus
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