A ray of light passes through a rectangular glass block. The ray enters the block at an angle to the normal.
Which statement describes the ray that leaves the block?
It continues along exactly the same line as the incident ray
It is parallel to the incident ray but shifted sideways
It bends towards the normal as it leaves the glass block
It stays at the same angle to the normal as the ray inside
51 exam-style questions on OCR GCSE Physics 5.3 Wave interactions, covering 5.3.1 Wavelength and how substances affect waves, 5.3.2 Wave velocity in different substances, 5.3.3 Convex and concave lenses, 5.3.4 Ray diagrams for reflection and refraction, and 5.3.5 Colour, absorption and reflection. Each one has a worked solution and a mark scheme showing where the marks go.