CAPE Physics Unit 1 · 2007 (Specimen) · Paper 1 · Question Q22

The value of a possible wavelength for radiation in the visible region in the electromagnetic spectrum is

1. (A)5 \times 10^{-8}\text{ m}
2. (B)5 \times 10^{-7}\text{ m}
3. (C)5 \times 10^{-6}\text{ m}
4. (D)5 \times 10^{-5}\text{ m}