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Author Topic: physics paper 6 doubt....  (Read 6091 times)

Offline @d!_†oX!©

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Re: physics paper 6 doubt....
« Reply #15 on: November 04, 2009, 04:34:13 pm »
i didn't get u shrey!!!pls explain wt u r saying!!
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Offline ~~~~shreyapril~~~~

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Re: physics paper 6 doubt....
« Reply #16 on: November 04, 2009, 04:38:13 pm »
Quote from: @d!_†oX!© on November 04, 2009, 04:34:13 pm
i didn't get u shrey!!!pls explain wt u r saying!!
i just lved the questio paper!!
it says that they are investigating theresistance of wire not resistor!!

so it must not be resistor ka sign!!!

got it???
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Offline wassup

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Re: physics paper 6 doubt....
« Reply #17 on: November 04, 2009, 04:45:33 pm »
can ne1 temme how 2 get accurate results in lens n bulb experiments???
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Offline ~~~~shreyapril~~~~

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Re: physics paper 6 doubt....
« Reply #18 on: November 04, 2009, 04:46:34 pm »
daken the room,,

move the lense slowly to get a fixed piont!!
keep the ruler fixed!! so that reading are not affected!!
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Offline Ghost Of Highbury

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Re: physics paper 6 doubt....
« Reply #19 on: November 04, 2009, 04:48:49 pm »
Quote from: wassup on November 04, 2009, 04:45:33 pm
can ne1 temme how 2 get accurate results in lens n bulb experiments???

as shrey said

-dark room
- move the lense to get a SHARP IMAGE (not fixed point)
-repeats
-always view the base of the pin
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Offline wassup

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Re: physics paper 6 doubt....
« Reply #20 on: November 04, 2009, 04:48:55 pm »
Quote from: ~~~~shreycool~~~~ on November 04, 2009, 04:46:34 pm
daken the room,,

move the lense slowly to get a fixed piont!!
keep the ruler fixed!! so that reading are not affected!!

i cant darken d room because many ppl give d prac at a time...v dnt get indivisual rooms n i dnt think ne1 gets indiv. rooms.

so ne other way?
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Offline ~~~~shreyapril~~~~

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Re: physics paper 6 doubt....
« Reply #21 on: November 04, 2009, 04:49:33 pm »
ohh so taking pracs!!
then do the other steps!!
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Offline Ghost Of Highbury

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Re: physics paper 6 doubt....
« Reply #22 on: November 04, 2009, 04:50:01 pm »
Quote from: wassup on November 04, 2009, 04:48:55 pm
i cant darken d room because many ppl give d prac at a time...v dnt get indivisual rooms n i dnt think ne1 gets indiv. rooms.

so ne other way?

i have listed down few

here is 1 more i found in a ms

- pins shud be far away

read my previous post for more
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Q80BOY

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Re: physics paper 6 doubt....
« Reply #23 on: November 04, 2009, 04:50:20 pm »
Quote from: wassup on November 04, 2009, 04:45:33 pm
can ne1 temme how 2 get accurate results in lens n bulb experiments???

dim the lights in the room
repeat and take an average
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Offline wassup

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Re: physics paper 6 doubt....
« Reply #24 on: November 04, 2009, 04:50:34 pm »
Quote from: A@di on November 04, 2009, 04:48:49 pm
as shrey said

-dark room
- move the lense to get a SHARP IMAGE (not fixed point)
-repeats
-always view the base of the pin

i dnt think v can move the lens because d ppr tells us where 2 keep it...v can move d screen.
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Offline moon

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Re: physics paper 6 doubt....
« Reply #25 on: November 04, 2009, 04:50:52 pm »
Quote from: ~~~~shreycool~~~~ on November 04, 2009, 04:38:13 pm
i just lved the questio paper!!
it says that they are investigating theresistance of wire not resistor!!

so it must not be resistor ka sign!!!

got it???

look at the mark scheme, Adi is rite
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Offline ~~~~shreyapril~~~~

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Re: physics paper 6 doubt....
« Reply #26 on: November 04, 2009, 04:51:12 pm »
ya but move it slowly!!
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Offline Ghost Of Highbury

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Re: physics paper 6 doubt....
« Reply #27 on: November 04, 2009, 04:51:55 pm »
Quote from: wassup on November 04, 2009, 04:50:34 pm
i dnt think v can move the lens because d ppr tells us where 2 keep it...v can move d screen.

ok..so yea move d screen
keep the pins far away
view the base of the pins
repeats
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Offline wassup

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Re: physics paper 6 doubt....
« Reply #28 on: November 04, 2009, 04:52:52 pm »
Quote from: A@di on November 04, 2009, 04:51:55 pm
ok..so yea move d screen
keep the pins far away
view the base of the pins
repeats

where r d pins dude??? i ve never used pins in such exps.
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Q80BOY

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Re: physics paper 6 doubt....
« Reply #29 on: November 04, 2009, 04:53:15 pm »
adi_toxic's answer is right for nov 08 paper

i have my collection of solved past papers infront of me .. ASK ME PEOPLE! :P
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