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Critical Angle & Total Internal Reflection
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Critical Angle & Total Internal Reflection

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Worksheet (2 pages) and Homework (1 page) (with answers) for Critical Angle and Total Internal Reflection. Including an explanation of light refracting away from the normal when leaving a denser medium, and how this relates to the critical angle. Calculations for working out the critical angle or refractive index when given one of those two values. Total internal reflection, its uses, and light ray diagrams for fibre-optic cables. A corresponding presentation is free to use and embedded at physics.mrhatchard.co.uk in Section 4 (Waves). Written for the Cambridge IGCSE Coordinated Sciences and Combined Sciences courses, but obviously a large content overlap with various GCSE courses also.
Wave Speed, Frequency and Wavelength
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Wave Speed, Frequency and Wavelength

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Worksheet (2 pages) and Homework (1 page) (with answers) for Wave Speed, Frequency and Wavelength. Including using the formula, lots of calculation questions, including the odd question thrown in where they are given the period instead of the frequency, and where the units are not always metres and Hertz (but millimetres or kHz, for example). A corresponding presentation is free to use and embedded at physics.mrhatchard.co.uk in Section 4 (Waves). Written for the Cambridge IGCSE Coordinated Sciences and Combined Sciences courses, but obviously a large content overlap with various GCSE courses also.
Light Ray Diagrams - Plane Mirrors
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Light Ray Diagrams - Plane Mirrors

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Worksheet (3 pages) and Homework (1 page) (with answers) for mirror diagrams, including the Law of Reflection (angles of incidence and reflection equal), and the concept of virtual images. Includes measuring angles of incidence/reflection. Opportunity to have able students practice trigonometry to calculate exact values of these angles using SOHCAHTOA (my answers are to nearest 0.5 degree). A corresponding presentation is free to use and embedded at physics.mrhatchard.co.uk in Section 4 (Waves). Written for the Cambridge IGCSE Coordinated Sciences and Combined Sciences courses, but obviously a large content overlap with various GCSE courses also.
The Electromagnetic Spectrum
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The Electromagnetic Spectrum

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Worksheet (2 pages) and Homework (1 page plus second sheet for cutting and sticking) (with answers) for The Electromagnetic Spectrum. Including names of the different types of electromagnetic radiation, their uses and the risks and dangers. Some reference to speed, frequency and wavelength. A corresponding presentation is free to use and embedded at physics.mrhatchard.co.uk in Section 4 (Waves). Written for the Cambridge IGCSE Coordinated Sciences and Combined Sciences courses, but obviously a large content overlap with various GCSE courses also.
Refractive Index
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Refractive Index

(1)
Worksheet (2 pages) and Homework (1 page) (with answers) for Refractive Index. Including questions on the concept and definition, and calculations to find the refractive index, the angle of incidence, and the angle of refraction. A corresponding presentation is free to use and embedded at physics.mrhatchard.co.uk in Section 4 (Waves). Written for the Cambridge IGCSE Coordinated Sciences and Combined Sciences courses, but obviously a large content overlap with various GCSE courses also.
Properties of Waves
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Properties of Waves

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Worksheet (2 pages) and Homework (1 page) (with answers) for Properties of Waves. Including definition of waves in terms of energy, difference between (and examples of) transverse and longitudinal waves, parts of waves such as areas of compression and rarefaction, wavelength and amplitude, and explaining the frequency and period of waves. A corresponding presentation is free to use and embedded at physics.mrhatchard.co.uk in Section 4 (Waves). Written for the Cambridge IGCSE Coordinated Sciences and Combined Sciences courses, but obviously a large content overlap with various GCSE courses also. This resource is the first in a series of resources on the topic of Waves and is being made available as a free sample.
Refraction of Light
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Refraction of Light

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Worksheet (2 pages) and Homework (1 page) (with answers) for Refraction of Light. Including refraction of light rays through parallel-sided (rectangular) glass blocks, and prisms. Explanation for refraction and dispersion of light, based on the frequency and wavelength of different colours. A corresponding presentation is free to use and embedded at physics.mrhatchard.co.uk in Section 4 (Waves). Written for the Cambridge IGCSE Coordinated Sciences and Combined Sciences courses, but obviously a large content overlap with various GCSE courses also.
Reflection, Refraction, Diffraction
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Reflection, Refraction, Diffraction

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Worksheet (2 pages) and Homework (1 page) (with answers) for an introduction to reflection, refraction and diffraction of waves. A corresponding presentation is free to use and embedded at physics.mrhatchard.co.uk in Section 4 (Waves). Includes definitions, wavefront diagrams, explanations for refraction. Written for the Cambridge IGCSE Coordinated Sciences and Combined Sciences courses, but obviously a large content overlap with various GCSE courses also.