Red and violet are the colours at the ends of the visible spectrum. How do the frequencies and the wavelengths of these colours compare? 5054_w12_qp_11 MCQ 2012 Paper 1, Variant 1 View
Blue and yellow are colours in the visible spectrum. Which colour has the lower frequency and which colour has the longer wavelength? 5054_w16_qp_11 MCQ 2016 Paper 1, Variant 1 View