Fill in the blanks to complete the statements.
A paper plane moving through the air experiences air
Frictional forces acting on an object are often converted into
of the object to rise slightly.
energy, which causes the temperature

Why does lightning travel from clouds to the ground?

(a) if the pressure in gas is doubled while its volume is held constant, by what factor do (i) vrms and (ii) change? (b) is it possible to boil water at room temperature (20oc) without heating it? explain.

1. when light strikes a pane of glass, it what? 2. when light strikes a translucent pane of glass 3. when light strikes a blue opaque surface only blue light is 4. when light strikes a prism it ! will give brainpower answer if answered all correctly!