application physic n chemistry help!

[kikie209]

whoa..i really hv no idea how to study those application topics..
the question came out so weird like i never know the topic..
help how to hv a good grasp in those?

 

[Jazib]

by studying

 

[princesszahra]

gp through the main topics
like in phy
modulation
pstn network
mobile phone
Xrays
MRI
CT scan
ultra sound
decibels calculations
amplifierss u can do the whole thing
the main point is to remember the formulas
and the type of amplifier!
tell me ur doubts!

 

[kikie209]

doubt here..i don't understand how mass spectro works..in O/N/08 q.1(a)and(c)
another thing is NMR spectro..same thing didn't understand.. O/N/07 q.9(a) and (b ii)
need xplaination...
and yea,why does it happen the mass spectro to appear in section A in ON/08??