Which statement correctly compares gamma rays and microwaves?
Gamma rays have a longer wavelength and a greater speed in a vacuum.
Gamma rays have a longer wavelength and the same speed in a vacuum.
Gamma rays have a shorter wavelength and a greater speed in a vacuum.
Gamma rays have a shorter wavelength and the same speed in a vacuum.
198 exam-style questions on CIE IGCSE Physics Electromagnetic spectrum, covering Electromagnetic spectrum. Each one has a worked solution and a mark scheme showing where the marks go.