An object is placed 40 cm in front of a plane mirror. Which statement describes the image of the object?
The image is the same size as the object and 40 cm40\text{ cm}40 cm from the object.
The image is the same size as the object and 80 cm80\text{ cm}80 cm from the object.
The image is smaller than the object and 40 cm40\text{ cm}40 cm from the object.
The image is smaller than the object and 80 cm80\text{ cm}80 cm from the object.
216 exam-style questions on CIE IGCSE Physics 3.2 Light, covering 3.2.1a Reflection of light, 3.2.1b Images in a plane mirror, 3.2.2 Refraction of light, 3.2.2a Refraction of light, 3.2.2b Total internal reflection, 3.2.2c Refractive index and critical angle, 3.2.2d Optical fibres, 3.2.3a Converging and diverging lenses, 3.2.3b Ray diagrams and the nature of images, 3.2.3c Virtual images and the magnifying glass, 3.2.3d Correcting long-sightedness and short-sightedness, and 3.2.4 Dispersion of light. Each one has a worked solution and a mark scheme showing where the marks go.