Questions with the keyword 'electromagnetism'

• What would stars, comets or other things in space look like under a UV light? Is there anything that looks really by smileysoph to Adam, Catherine, Karen, Leila, Nazim Comments: (So far, one comment )
• I drew an arrow on a piece of paper and I then put a drinking glass infront of it. I poured some water into the glass by friartrout to Adam, Catherine, Karen, Leila, Nazim Comments: (No comments so far )
• I know I have asked alot of questions, but its interesting to find out! I go to a radio club in school, how does what by ejrw to Adam, Catherine, Karen, Leila, Nazim Comments: (so far, 2s comments )
• What causes different elements to have different spectrums? by amyjohns to Adam, Catherine, Karen, Leila, Nazim Comments: (So far, one comment )
• If the colour we see is just a reflection, does that mean that everyting really has no colour? by stevebuck to Adam, Catherine, Karen, Leila, Nazim Comments: (No comments so far )
• 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 )
• when we fire a strong laser, surely the ray of light would disperse so why is it said that a laser will fire straight by mantha to Adam, Catherine, Karen, Leila, Nazim Comments: (No comments so far )
• how does a prism disperse light into the spectrum? by mantha to Karen Comments: (No comments so far )