SHS3 Physics · Semester 1 Week 18: Wave

Lesson notes

Learning Objectives

Indicator: 3.2.2.LI.3 - Identify the properties of lasers.

By the end of the lesson, learners can:

List the four characteristic properties of laser light: monochromaticity, brightness, coherence, and collimation.
Define each property in their own words and give one everyday comparison for each.
Distinguish laser light from ordinary light (such as from a torch or bulb) using the four properties.
Work in mixed-ability groups of 5 to research and present a short presentation on one assigned property of lasers, using at least one ICT resource.
Identify at least two real-life applications that depend on each laser property.

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Curriculum details

Strand: Energy (Strand 2)
Sub-strand: Wave (2.2)
Content standard: 3.2.2.CS.2 - Demonstrate knowledge and understanding of lasers 3.2.2.LO.2 Explain the production and working principles of lasers.
Indicator: 3.2.2.LI.3 - Identify the properties of lasers.
Suggested placement: Semester 1, Week 18 (Week 18 of the year)
Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.
Source document note: The official curriculum document has a fault in this entry, so the curriculum text above is transcribed exactly as printed:

indicator text - p.168: the document prints this learning indicator code as 3.2.2.LI.1.3
exemplars - p.168: the document prints this assessment code as 3.2.2.AS.1.3
Curriculum reference: NaCCA curriculum document, p. 168

Exemplars (from the NaCCA curriculum)

Collaborative learning: Put learners in mixed-ability groups of 5 and let each group do a presentation on lasers i.e., monochromaticity, brightness, coherence and collimation.
Assessment (3.2.2.AS.3). The document marks these depth-of-knowledge levels for this indicator: Level 2 Skills of conceptual understanding.
Teaching and Learning Resources:
- Audio-visuals
- Internet
- projectors
- YouTube
- Interactive virtual laboratory