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Author Topic: ALL PHYSICS DOUBTS - POST HERE !!  (Read 228972 times)

Offline thenewkid™

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #375 on: May 10, 2010, 07:29:25 am »
well then i guess it depends on the time zones
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Offline Hesham Mhd

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #376 on: May 10, 2010, 07:31:52 am »
Hi, if they asked yu to draw a GRAPH, how can you know if yu should draw a line of best fit? because sometimes it can also be drawn as a curve? O_o
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Offline haris94

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #377 on: May 10, 2010, 07:32:36 am »
yea depends on time zone

im giving variant 2 (hope its easier than variant 1  :P)

good luck to us all!
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Offline The Golden Girl =D

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #378 on: May 10, 2010, 07:33:33 am »
Quote from: Hesham Mhd on May 10, 2010, 07:31:52 am
Hi, if they asked yu to draw a GRAPH, how can you know if yu should draw a line of best fit? because sometimes it can also be drawn as a curve? O_o


i'm a bit confused on this too -_-
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Offline Vin

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #379 on: May 10, 2010, 07:34:00 am »
Quote from: haris94 on May 10, 2010, 07:20:13 am
can anyone pls tell me how to draw the circuit in question 2 a

this is from winter 08 p6

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Offline haris94

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #380 on: May 10, 2010, 07:35:16 am »
Quote from: Hesham Mhd on May 10, 2010, 07:31:52 am
Hi, if they asked yu to draw a GRAPH, how can you know if yu should draw a line of best fit? because sometimes it can also be drawn as a curve? O_o

if they want line of best fit they will mention it
sometimes they ask to draw curve of best fit
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Offline thenewkid™

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #381 on: May 10, 2010, 07:35:41 am »
i guess they usually tell u what to do in the question. if they dont say anything then just join the dots ;)
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holtadit

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #382 on: May 10, 2010, 07:35:48 am »
Summer 2008

4   c   the MS says that the refractive index is 1.43.  I get 1.78.

All my measurements are correct.


WHATS WRONG !!!!


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Offline Vin

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #383 on: May 10, 2010, 07:36:14 am »
Quote from: Hesham Mhd on May 10, 2010, 07:31:52 am
Hi, if they asked yu to draw a GRAPH, how can you know if yu should draw a line of best fit? because sometimes it can also be drawn as a curve? O_o

Usually they mention 'draw a best fit line/curve' .. if not thn u yourself have to judge wat to do ..
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Offline haris94

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #384 on: May 10, 2010, 07:37:44 am »
Thanks vin
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Offline Vin

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #385 on: May 10, 2010, 07:39:36 am »
Quote from: Ari Ben Canaan on May 10, 2010, 07:35:48 am
Summer 2008

4   c   the MS says that the refractive index is 1.43.  I get 1.78.

All my measurements are correct.


WHATS WRONG !!!!




lol i got 1.64 .. i think it depends on the size of the printout .. if its not according to pdf the size might change ..
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Offline Vin

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #386 on: May 10, 2010, 07:43:23 am »
Quote from: haris94 on May 10, 2010, 07:37:44 am
Thanks vin

sure .. :)

Guys any beautiful ideas for 1 b) ..
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Offline haris94

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #387 on: May 10, 2010, 07:43:47 am »
yea it depends on your printout size

i got these readings

2.2*4.0
1.3*4.4
=1.50
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holtadit

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #388 on: May 10, 2010, 07:46:53 am »
Quote from: haris94 on May 10, 2010, 07:43:47 am
yea it depends on your printout size

i got these readings

2.2*4.0
1.3*4.4
=1.50

Phew ! Thanks people     +rep Vin

Haris I will + rep you later but Vin first since he answered faster.  :)
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Offline Fastal

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #389 on: May 10, 2010, 07:47:49 am »
Quote from: ~VIN1094~ on May 10, 2010, 07:43:23 am
sure .. :)

Guys any beautiful ideas for 1 b) ..

use thick rigid wire toconnect electrodes. remove electrodes from beaker vertically. measure.
this is what i would write at least..
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