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Physics Paper 62 discussion!!!!

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Plz discuss the physics paper 62 now !!!!!!!
Thnx!!!hope everyone has done well and will get a A*********!!!!!
:)
 
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one was plastic and the other one was rubber, though i didnt get the rubber one!!!!!
Discuss more guys, what was the otical pin and the ray box disadvantage.......
 
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I wrote paper and thermopore.. hope its correct ... for the optical pin i wrote that it may not be vertical and for the ray box, that the width of the ray may vary .... though i doubt its going to be correct ..

wat did u ppl write abt the foremetre one that it still shows a reading when no load is placed?
 
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sunny1234 said:
weight of the ruler
:good:

For the insulating materials I put styrofoam and cloth :/ I thought about putting wood but I think that they might have been looking for materials that cotton wool could be easily replaced by, I think it would be difficult to use wood in this experiment. :unknown:
 
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hey guys...im new here...wel my paper was really goood.....i just wanted to noe where do u put the variable resistor?..
:)
 
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I wrote for the insulating material plastic(polyethene) and layers of wood
For optical pin I wrote parallax error and for ray box I wrote it cant be conducted in complete dark room
For ray trace sheet I wrote it will be lesser(2cm)
Variable resistor on your left
 
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for optical pin i wrote the thickness of the pins may vary and so they will not be exactly in the same line..
for ray box i wrote since the experiment will be conducted in a dark room it will be difficult to take readings..
i put the variable resistor on the left..
for the distance between the pins i wrote 5 cm..

hope these r right.
 
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For the distance I am not sure but they may give marks according to the explanation
but I need someone to answer me please (thanx in advance)..................
 
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mine was 3cm...n my diadvantage was parallax error...n da other one was it has to be conducted in a dark room
 
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