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Author Topic: ALL PHYSICS DOUBTS - POST HERE !!  (Read 230583 times)

Offline Vin

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #1950 on: May 26, 2010, 02:54:25 pm »
Quote from: Hasnainali on May 26, 2010, 02:48:54 pm
plz explain o level phy 5054 s09 p1 q8

post it here .. this is IGCSE board

https://studentforums.biz/index.php/board,13.0.html
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holtadit

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #1951 on: May 26, 2010, 02:54:40 pm »
Quote from: Raywin on May 26, 2010, 02:53:14 pm
Hey guys is Resonance and wave interference in our syllabus...? :S

NOPE !!!!
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Offline tunnellord

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #1952 on: May 26, 2010, 02:55:17 pm »
Quote
sooo.. my diagram's right?  i mean the direction of the 'movement' ... cuz if you use the left hand rule, it's point towards you, right? D;

Yes u r correct ^-^
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Offline Raywin

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #1953 on: May 26, 2010, 02:55:39 pm »
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;D

Offline Moonlyte

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #1954 on: May 26, 2010, 02:58:58 pm »
Does anyone have any general tips for the exam 'cause i'm finding the past papers pretty hard!
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Offline Weaam

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #1955 on: May 26, 2010, 02:59:17 pm »
Quote from: Ari Ben Canaan on May 26, 2010, 02:51:21 pm
Analogue = continously increasing or decreasing.

Digital = increase in steps of 0.01
Thanks but in the mark scheme it says digital increases or decreases by one unit.
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holtadit

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #1956 on: May 26, 2010, 03:01:35 pm »
Quote from: Moonlyte on May 26, 2010, 02:58:58 pm
Does anyone have any general tips for the exam 'cause i'm finding the past papers pretty hard!

Show all the formulas you use.

Show ALL workings (you can still get marks for wrong answers)

Be CALM and READ the question.

When writing long answers; GET TO THE POINT !!! BE CONCISE !!!!!
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Offline jellybeans

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #1957 on: May 26, 2010, 03:01:45 pm »
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Offline Weaam

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #1958 on: May 26, 2010, 03:02:04 pm »
There is this question in m/j 04 Q11 b, it says 'wat does the scattering of alpha particles show about the atomic structure'?
Help..?
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- The man who smiles when things go wrong has thought of someone to blame it on. - Robert Bloch.
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+ Rep me if i have been of any assistance to you ;D

Offline 8T

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #1959 on: May 26, 2010, 03:02:33 pm »
Hi again.
Could anyone  check o/n 03 p3  q 2 b I keep getting 12750 but MS gives 5250
Is it wrong.. why do i keep getting stuck wityh wrong MSs??!
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Offline Malak

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #1960 on: May 26, 2010, 03:03:26 pm »
Quote from: ang3l on May 26, 2010, 02:50:21 pm
http://www.freeexampapers.us/IGCSE/Physics/CIE/2007%20Nov/0625_w07_qp_3.pdf

Q2: part a can u explain..?
Q6 (diagram)
Q8 part e ii and iii ...
And this is wat i drew for Q10 answer is it right?and also wats the answer for b ii?

thx


Anyone??
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Offline tunnellord

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #1961 on: May 26, 2010, 03:03:59 pm »
Quote
And this is wat i drew for Q10 answer is it right?and also wats the answer for b ii?

thx

Hey angl, u can only use one NOT gate. So ur diagram is incorrect. You should connect the NOT to the electrical sensor and the AND is correct
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Offline Weaam

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #1962 on: May 26, 2010, 03:04:15 pm »
Quote from: 8T on May 26, 2010, 03:02:33 pm
Hi again.
Could anyone  check o/n 03 p3  q 2 b I keep getting 12750 but MS gives 5250
Is it wrong.. why do i keep getting stuck wityh wrong MSs??!
Tully why do you solve really old pp?!
kaif 3endek wa2et t7elee mn 03 to 09? :S
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- The man who smiles when things go wrong has thought of someone to blame it on. - Robert Bloch.
-I saw weird stuff in that place last night. Weird, strange, sick, twisted, eerie, godless, evil stuff... and I went in. - Homer
+ Rep me if i have been of any assistance to you ;D

holtadit

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #1963 on: May 26, 2010, 03:05:51 pm »
Quote from: weaam on May 26, 2010, 03:02:04 pm
There is this question in m/j 04 Q11 b, it says 'wat does the scattering of alpha particles show about the atomic structure'?
Help..?

http://thenightdreamer.wordpress.com/2010/01/23/rutherford-scattering/

See my website above
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Offline 8T

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #1964 on: May 26, 2010, 03:07:00 pm »
Quote from: weaam on May 26, 2010, 03:04:15 pm
Tully why do you solve really old pp?!
kaif 3endek wa2et t7elee mn 03 to 09? :S
SHUSH 2ENTI!!
 Dude u were doing 2000 ..haha..plus ur doing 04 now its just a year be4 tht so not so old..and i wont have time .. ive only don't 1 paper so far and stuck in the second ..LOOOL!
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