Question

spectrum is

angle of deviation


colour band


band of colours​

Answer 1

Answer:

Explanation:

A large band gap means that a lot of energy is required to excite valence electrons to the conduction band. Conversely, when the valence band and conduction band overlap as they do in metals, electrons can readily jump between the two bands meaning the material is highly conductive.

Answer 2

Answer:

Spectrum is band of colours.

Hope the answer helps you.