This question is about electromagnetic waves.
Give the name of the group of electromagnetic waves that has the longest wavelength.
Give the name of the group of electromagnetic waves that our eyes can detect.
State whether electromagnetic waves are transverse waves or longitudinal waves.
State how the speed of X-rays in a vacuum compares with the speed of radio waves in a vacuum.
Give the colour of visible light that has the highest frequency.
84 exam-style questions on Edexcel GCSE Physics 5.2 The electromagnetic spectrum, covering 5.2.1 Electromagnetic waves and refraction in glass (core practical), 5.2.2 Groups of the electromagnetic spectrum, 5.2.3 Wavelength-dependent behaviour of EM waves, and 5.2.4 Velocities of EM waves in different substances. Each one has a worked solution and a mark scheme showing where the marks go.