Physics: Post your doubts here!

[Nimra Asif]

can u tell me what are the likely topics of physics practical paper 34?

 

[thenewguy2012]

WHEN WE PLOT A GRAPH DO WE MAKE CROSSES OR DOTS WITH CIRCLES???

 

[geek101]

the further the distance D the more the wave will spread out, the less the intensity which means a lower amplitude too because intensity is proportional to A^2..did u get it?

thnx for this brotha! helped me in ma exam today

 

[iKhaled]

thnx for this brotha! helped me in ma exam today

hehehee yeah when i was answering that question, i remembered u last night

 

[N.M]

WHEN WE PLOT A GRAPH DO WE MAKE CROSSES OR DOTS WITH CIRCLES???

encircle

 

[thenewguy2012]

encircle

thanks a lot. although there are some graphs which i have seen that are marked in crosses

 

[iKhaled]

thanks a lot. although there are some graphs which i have seen that are marked in crosses

dude, crosses are not wrong at all too. but plotting just a dot is wrong and not allowed.

 

[A.ELWY 7]

dude, crosses are not wrong at all too. but plotting just a dot is wrong and not allowed.

thnx very much..i didn't know this i always used to put only dots, thnx u saved my life....and as a reward i can give you ppl here notes for the practical my cousin gave it to me..wish it helps

 

[iKhaled]

thnx very much..i didn't know this i always used to put only dots, thnx u saved my life....and as a reward i can give you ppl here notes for the practical my cousin gave it to me..wish it helps

i appreciate your reward but i am already done with my practical hehe !

 

[MA1234]

plz cn sme1 help me hw to take readings on micrometer? Plz plz plz

 

[A.ELWY 7]

i appreciate your reward but i am already done with my practical hehe !

ok then i would love that u help me one more time....my MR said that i must put a unit for the gradient, butthis notes and other ppl say that no..there is no unit for the gradient??? im totally confused

 

[iKhaled]

ok then i would love that u help me one more time....my MR said that i must put a unit for the gradient, butthis notes and other ppl say that no..there is no unit for the gradient??? im totally confused

putting unit for the gradient is VERY important. actually without the unit u lose the whole mark even if ur gradient is right...

 

[A.ELWY 7]

putting unit for the gradient is VERY important. actually without the unit u lose the whole mark even if ur gradient is right...

but some ppl who made the practical test before said dont put a unit..and so the notes say so....anyway thnx but i dont know what is right

 

[iKhaled]

but some ppl who made the practical test before said dont put a unit..and so the notes say so....anyway thnx but i dont know what is right

you may be right yeah cuz i checked the syllabus and its not written that u have to write the units but our teacher always said write the unit its important...anyway u won't lose anything if u wrote the units or not so don't slack and just write them!!

 

[pearl angel]

we have to write units for the gradient

 

[xxxtoughxxx]

but some ppl who made the practical test before said dont put a unit..and so the notes say so....anyway thnx but i dont know what is right

in the markscheme theres a mark for the unit write it

 

[A.ELWY 7]

thnx...thnx very much, yes as you said i won't lose anything if I wrote it.

 

[Peter Check]

where is the AS physics mcq thread?

 

[geek101]

where is the AS physics mcq thread?

http://www.xtremepapers.com/community/threads/as-physics-p1-mcqs-preparation-thread.17044/

 

[Unicorn]

Can someone please explain to me the answer to 19?

work done = p * v

so there is a loss of energy....