10 PHYSICS – TERM 2
OPTICS & WAVES
1
UNIT LEARNING GOALS:
DECLARATIVE KNOWLEDGE
Amplitude
Frequency
Wavelength
Refraction, Diffraction & Reflection
Smell’s Law
Assessment
Exam
Hodgson Light Box investigation of
refractive index and Critical Angle
Success Criteria:
Accurate and successful
completion of problems from the
textbook.
Reached set Target.
Key Verbs
Understand
Manipulation
Calculate
Investigate
.
Critical Angle & Total Internal Reflection
Resources
Refractive Index
“PHYSICS SPECTRUM”, Peter Eastwell
“New Century Physics”, Richard Walding
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:
The student will know the following definitions:
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
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
------------------------------------------------------------------------