Lets Post some helP for the forummer here on Combined Science here !!
Define the terms
1)evaPoration
2)boiling
boiling - at boiling Point only
evaPoration ,all temPerature ..
In solids ,thermal energy is transferred by conduction
What is the cause of conduction ?
infra-red radiation , molecular vibration ??
State two difference between a electromagnetic wave and a sound wave ,both of wavelength one metre.
Solution :
An electromagnetic wave is a transverse wave which propagate in a vacuum whereas a sound wave is a longitudinal wave which cannot propagate in a vacuum.
D92/P2/B3