Three photodiodes ,

PHYSICS · Subjective · A Level · Physics · Electronics · Electronics

Problem

Three photodiodes

D_1

D_2

, and

D_3

are made of semiconductors having band gaps of

2.5\ \text{eV}

2\ \text{eV}

, and

3\ \text{eV}

, respectively. Which one will be able to detect light of wavelength

6000\ \text{Å}