A laser used in a laboratory research project emits photons, each having an energy of 3.5 × 10-20 J.
In which region of the electromagnetic spectrum does this radiation lie?
A
Microwave
B
Infrared
C
Visible light
D
Ultraviolet
Markscheme
The electromagnetic spectrum Questions
28 exam-style questions on Edexcel IGCSE Physics The electromagnetic spectrum. Each one has a worked solution and a mark scheme showing where the marks go.