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Author Topic: ALL PHYSICS DOUBTS - POST HERE !!  (Read 228870 times)

Offline saleemsamer

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #450 on: May 10, 2010, 11:02:36 am »
ok i got a question "Draw the line of the best fit on your graph" do we dra a straight line or what?
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Offline rawr123

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #451 on: May 10, 2010, 11:08:18 am »
Quote from: PeaceMaker on May 10, 2010, 11:00:45 am
How do you calculate the rise and fall of a temperature?  Also, Question 1, Q.3B, 4B how do you take the measurements?,   2009 OCT/NOV, i can't seem to understand what to do exactly. Also, what to do when you are asked to draw to rectangular blocks to measure something?

Thats all of my doubts of paper 6. Went through 2003 - 2009 and found that these are my problems.

I have the same problem with the rectangular blocks :(.
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6394

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #452 on: May 10, 2010, 11:09:05 am »
i thnk for ques <0625/06/O/N/05> 1-d u hve 2 do it thid way (lok at de pic)
measure de distance "d" and "l" using a rule n set square and den using tan theta find the angle
hope m correct
 :) ;) :P
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Offline dodi23

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #453 on: May 10, 2010, 11:14:21 am »
Quote from: saleemsamer on May 10, 2010, 11:02:36 am
ok i got a question "Draw the line of the best fit on your graph" do we dra a straight line or what?
jus draw a straight line in whinch the number of points on top of line is equal 2 number of points under the line (line of best fit) ;) :)
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Offline Vin

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #454 on: May 10, 2010, 11:14:29 am »
Quote from: PeaceMaker on May 10, 2010, 11:00:45 am
How do you calculate the rise and fall of a temperature?  

Rise and fall in temperature ?? look at ques 5 in the attached paper .. b) i) Initial water temperature is 22o C .. when the cylinder is added Final temp = 36 oC .. so 36 - 22 = 14oC
 .. ii) Initial temp of cylinder is 100oC .. when place in water (which is 36oC)
= 100 - 36 = 64oC .. jus read the ques properly  ..!!  :) :)

Quote from: PeaceMaker on May 10, 2010, 11:00:45 am
Also, Question 1, Q.3B, 4B how do you take the measurements?,   2009 OCT/NOV, i can't seem to understand what to do exactly. Also, what to do when you are asked to draw to rectangular blocks to measure something?

Thats all of my doubts of paper 6. Went through 2003 - 2009 and found that these are my problems.

u obvi. measure by scale !!.. if ur wondering the ms ans differ because the printout which u may hav wld not be according to the pdf so the sizes may differ .. :)
« Last Edit: May 10, 2010, 11:20:24 am by ~VIN1094~ »
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Offline Vin

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #455 on: May 10, 2010, 11:17:51 am »
Quote from: 6394 on May 10, 2010, 11:09:05 am
i thnk for ques <0625/06/O/N/05> 1-d u hve 2 do it thid way (lok at de pic)
measure de distance "d" and "l" using a rule n set square and den using tan theta find the angle
hope m correct
 :) ;) :P

dont worry u r right .. but the ques says "suggest another method of investigating as reliably as possible the extent by which the rule is pulled down by the masses."

u dont need to worry about the angles .. :)
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Offline saleemsamer

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #456 on: May 10, 2010, 11:19:26 am »
Quote from: dodi23 on May 10, 2010, 11:14:21 am
jus draw a straight line in whinch the number of points on top of line is equal 2 number of points under the line (line of best fit) ;) :)
thx :D
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Offline big mac

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #457 on: May 10, 2010, 11:20:00 am »
Hey, I have a problem with the ''light'' rays, topic, like when they give you a paper and set of question, like '' draw the normal line on the grid above '' I really have no clue how this works, I know it's so complicated to actually explain it why you're typing, so do any of you guys know a website or something for that kind off stuff? like drawing normal lines etc... with pictures and explainations, any link would be useful, thanks.
By the way, this question is mainly in holly Physics paper 6.
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6394

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #458 on: May 10, 2010, 11:22:29 am »
y do we need to view the bases of the pins when lining them up????????????
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holtadit

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #459 on: May 10, 2010, 11:25:02 am »
Quote from: 6394 on May 10, 2010, 11:22:29 am
y do we need to view the bases of the pins when lining them up????????????

since they may not be vertical
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Offline Vin

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #460 on: May 10, 2010, 11:25:41 am »
dunno about links .. the mods might give u some..

i can help u if u ask a specific question frm any paper ..  :) :)

y dont u ask here https://studentforums.biz/index.php/board,80.0.html
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Offline Malak

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #461 on: May 10, 2010, 11:27:44 am »
Can anyone help me with the ray(lens) diagrams...Like when the image is inverted or virtual, upright, diminshed n bla bla...
By the way...I never really saw those in P6 ?
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Offline ruruiw 60984

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #462 on: May 10, 2010, 11:31:02 am »
how do u find the mid point of a lens?
:)
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Offline dodi23

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #463 on: May 10, 2010, 11:31:34 am »
Quote from: big mac on May 10, 2010, 11:20:00 am
Hey, I have a problem with the ''light'' rays, topic, like when they give you a paper and set of question, like '' draw the normal line on the grid above '' I really have no clue how this works, I know it's so complicated to actually explain it why you're typing, so do any of you guys know a website or something for that kind off stuff? like drawing normal lines etc... with pictures and explainations, any link would be useful, thanks.
By the way, this question is mainly in holly Physics paper 6.

http://id.mind.net/~zona/mstm/physics/light/rayOptics/reflection/reflection1.html

hope it helps :) ;D ;)
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Offline dodi23

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #464 on: May 10, 2010, 11:32:58 am »
Quote from: ruruiw 60984 on May 10, 2010, 11:31:02 am
how do u find the mid point of a lens?
:)

its just usually there in p6
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