JBrookes
  • Member for 4 years
  • Last seen more than 4 years ago
Why does water stop boiling immediately after turning off the heat?
1 votes

Yes the posters who point out the enormous energy of "latent heat of vaporization" ae on the right track. In detail, what you've got is a pool of water molecules linked to each other by hydrogen ...

View answer
Is reflection and refraction the same thing - bouncing of light?
1 votes

You ask how an individual photon "decides" to reflect. (These are Feynman's words, page 24 of QED.) Feynman says we don't know. Newton also speculated on this very question in 1704, so you can see ...

View answer
Can heat travel up an airflow
1 votes

Yes, This phenomena is apparent in forest fires, in which the fire travels DOWN the hill against the updraft. The reason is that thermal radiation goes up as the 4th power of absolute temperature, so ...

View answer
"Reflection" in a glass slab
0 votes

Yes, the other poster is correct, 4% of the light bounces back from the glass interface. That's the ghost of you that you see. If its dark on the other side, your image easier to see. BTW, ...

View answer