Qualification > Sciences

physics paper 6 doubt....

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wassup:

--- 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!!

--- End quote ---

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?

~~~~shreyapril~~~~:
ohh so taking pracs!!
then do the other steps!!

Ghost Of Highbury:

--- 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?

--- End quote ---

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

Q80BOY:

--- Quote from: wassup on November 04, 2009, 04:45:33 pm ---can ne1 temme how 2 get accurate results in lens n bulb experiments???

--- End quote ---

dim the lights in the room
repeat and take an average

wassup:

--- 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

--- End quote ---

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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