Questions with the keyword 'spectrum'

• What causes different elements to have different spectrums? by amyjohns to Adam, Catherine, Karen, Leila, Nazim Comments: (So far, one comment )
• Would you say that black is a colour, or an absence of light? and do you believe it occurs in nature? Thanks :) by balletshoes1998 and 3 others. to Adam, Catherine, Karen, Leila, Nazim Comments: (so far, 3s comments )
• how does a prism disperse light into the spectrum? by mantha to Karen Comments: (No comments so far )