Reflection and Refraction Practicals
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GCSE Physics Lessons
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A series of free GCSE/IGCSE Physics Notes and Lessons.
Refraction & Reflection of Light
Investigate the reflection of light by different types of surface and the refraction of light by different substances.
In this practical you will:
- use a ray box to direct a ray of light onto the surface of a transparent block
- mark the path of the ray that is reflected from the surface of the block
- mark the path of the ray that passes through the block
- use different materials and compare the results.
The following diagram shows the incident ray, reflected ray, refracted ray and transmitted ray using a glass block.
Required Practical: Reflection and Refraction
Describe how to investigate the reflection of light by different types of surface and the refraction of light by different substances.
Refraction & Total Internal Reflection - GCSE Science Required Practical
How to measure the angles of incidence and refraction to calculate refractive index, and how to find the critical angle for Total Internal Reflection.
00:00 Measuring angles
05:00 Refractive index
06:27 Analysing data
07:00 TIR - Total Internal Reflection
Required Practical - Reflection and Refraction
How to compare reflection and refraction by two different materials (perspex and glass)?
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