# Year 10 Physics Term 2 Unit Plan ```10 PHYSICS – TERM 2
OPTICS &amp; WAVES
1
UNIT LEARNING GOALS:
DECLARATIVE KNOWLEDGE

Amplitude

Frequency

Wavelength

Refraction, Diffraction &amp; 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 &amp; 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 &amp; 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 &amp; 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
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