Two electromagnetic waves, P and Q, travel through a vacuum.
The wavelength of wave P is four times the wavelength of wave Q.
Which statement is correct?
The frequency of P is four times the frequency of Q
The frequency of P is the same as the frequency of Q
The frequency of P is one quarter of the frequency of Q
The frequency of P is one sixteenth of the frequency of Q
48 exam-style questions on OCR GCSE Physics 5.2 The electromagnetic spectrum, covering 5.2.1 Electromagnetic waves in space, 5.2.2 Energy transfer by electromagnetic waves, 5.2.3 Frequency and wavelength across the spectrum, 5.2.4 Groups of the electromagnetic spectrum, 5.2.5 Visible light and the limits of human sight, 5.2.6 Light as an electromagnetic wave, 5.2.7 Uses of electromagnetic waves, 5.2.8 Hazards of ultraviolet, X-rays and gamma rays, 5.2.9 Ultrasound and imaging inside the body, and 5.2.10 Radio waves and oscillating circuits. Each one has a worked solution and a mark scheme showing where the marks go.