A thin converging lens is used to project a focused image of a small illuminated arrow onto a screen.
By adjusting the positions of the lens and the screen backwards and forwards on the bench, various focused images are produced on the screen.
Which statement is always true?
The image is formed at the principal focus (focal point) of the lens.
The image is larger than the object.
The image is inverted.
The image is virtual.
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.