CiE iGCSE Physics 0625 Learning Plan Section 19: Total Internal Reflection and Lenses Specification Resources Assessment Textbook Core Video: Physics Section 3 – – Give the meaning of critical angle • Lesson 19 Total internal reflection Page 149 Qs 1 to 3 – – Describe internal and total internal • and lenses Page 151 Qs 1 to 3 – reflection Page 153 Qs 1 to 3 Describe the action of a thin converging – Powerpoint: Physics Section 3 – lens on a beam of light Page 153 Qs 1 to 3 – Properties of waves Physics 19 – – Use the principal focus and focal • Total internal reflection and lenses. length Textbook answers page 329 Draw ray diagrams for the formation of a • – real image by a single lens Textbook Describe the nature of an image using Page 148-149; Total Internal • the terms enlarged/same size/diminished Reflection Talking Paper video Section and upright/inverted – Page 150-151; Refraction 19 Total internal reflection – Supplement calculations and lenses • Recall and use the equation sin I / sin Page 152-153; Lenses (1) r=n Page 154-155; Lenses (2) Section 19 Exam Question Recall and use n = 1 / sin c • Describe and explain the action of • (PDF) TIR and Lenses – optical fibres particularly in medicine and Section 19 checklist.doc communications technology Section 19 Exam Question Draw and use ray diagrams for the – formation of a virtual image by a single mark scheme (PDF) TIR and – lens Lenses Use and describe the use of a single • lens as a magnifying glass Show understanding of the terms real • image and virtual image
CiE iGCSE Physics 0625 Learning Plan Section 19: Total Internal Reflection and Lenses Specification Resources Assessment Core • Give the meaning of critical angle • Describe internal and total internal reflection Describe the action of a thin converging lens on a beam of light • Use the principal focus and focal length • Draw ray diagrams for the formation of a real image by a single lens • Describe the nature of an image using the terms enlarged/same size/diminished and upright/inverted Supplement • Recall and use the equation sin I / sin r=n • Recall and use n = 1 / sin c • Describe and explain the action of optical fibres particularly in medicine and communications technology Draw and use ray diagrams for the formation of a virtual image by a single lens • Use and describe the use of a single lens as a magnifying glass • Show understanding of the terms real image and virtual image Video: Physics – Section 3 – Lesson 19 – Total internal reflection and lenses Powerpoint: Physics Section 3 – Properties of waves – Physics 19 – Total internal reflection and lenses. Textbook Page 148-149; Total Internal Reflection Page 150-151; Refraction calculations Page 152-153; Lenses (1) Page 154-155; Lenses (2) Section 19 checklist.doc Textbook Page 149 – Qs 1 to 3 Page 151 – Qs 1 to 3 Page 153 – Qs 1 to 3 Page 153 – Qs 1 to 3 Textbook answers – page 329 Talking Paper video – Section 19 – Total internal reflection and lenses Section 19 Exam Question (PDF) – TIR and Lenses Section 19 Exam Question – mark scheme (PDF) – TIR and Lenses
CiE%20iGCSE%20Physics%200625%20Learning%20Plan%20Section%2019%20Total%20Internal%20Reflection%20and%20Lenses.docx