An astronomical detector on a space telescope measures the energy of incoming photons from a hot, young O-type star to be approximately 1.2 × 10-18 J.
In which region of the electromagnetic spectrum does this radiation lie?
Infrared
Visible light
Ultraviolet
X-ray
26 exam-style questions on Edexcel GCSE Physics 5.2 The electromagnetic spectrum. Each one has a worked solution and a mark scheme showing where the marks go.