What are the five characteristics of a plane mirror image? - Image is virtual, upright, laterally inverted, the same size as the object. The distance between the image and the mirror is the same as the distance between the object and the mirror., What is the relationship between the angle of incidence and the angle of reflection? - Angle of incidence = angle of reflection, How do I represent a virtual image or imaginary light ray? - Use dotted lines, What are the sizes of the image generated by a plane, convex and concave mirror? - Plane mirror (same size); convex mirror (diminished); concave mirror (magnified), How do the fields of vision generated by a convex and concave mirror differ? - Convex mirror (wider field); concave mirror (narrower field)), What type of reflective surface generates a clear image? - Smooth surfaces (allow for regular reflection)., What is meant by "regular reflection"? - Light rays strike the surface at the same angles of incidence such that reflected rays are parallel. This forms a clear image of the object., What is refraction? - Refraction is the bending of light at the boundary between two different transparent materials., Why do light rays bend when moving between different media (e.g., from air to water). - The speed of light changes, causing the light ray to bend. In the case of light travelling from air to water, light slows down, causing the light ray to bend towards the normal., What are the seven colours (in the correct order) that make up white light? - Red - Orange - Yellow - Green - Blue - Indigo - Violet, What are the three types of EM radiation I must know? - Infrared, visible light and UV radiation, What are the applications of the three EM radiations? - Infrared (thermal imaging, cooking); visible light (photosynthesis); UV radiation (kills harmful microorganisms found on medical equipment), What are the harmful effects of the three EM radiation? - Infrared (overexposure leads to burns, climate change due to the greenhouse effect); visible light (light pollution); UV radiation (overexposure can increase the risk of skin cancer),

Flash cards for Ray Model of Light

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