Physics Paper 62 discussion!!!!

[Prash008]

Plz discuss the physics paper 62 now !!!!!!!
Thnx!!!hope everyone has done well and will get a A*********!!!!!

 

[sunny1234]

wat were d 2 alternative insulating materials????????

 

[Prash008]

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.......

 

[sunny1234]

i wrote polystyrene n mineral wool!!!is it rite??

 

[Prash008]

polystrene is right for sure!!!!!dont know about mineral wool though!!!

 

[yousef0074]

i wrote lag with polystyrene and use a lid

 

[sunny1234]

lid is wrong for sure......dey asked for an insulating material

 

[Outofideaz]

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?

 

[sunny1234]

weight of the ruler

 

[burndtjamb]

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:

 

[ajmanutd]

i wrote thick sheet of plastic and glass... hope dat is rite..

 

[ajmanutd]

wat did you get as the value for n..

i gt 1.5..

hope dat is rite.

:unknown:

 

[Outofideaz]

wat did you get as the value for n..

i gt 1.5..

hope dat is rite.

:unknown:

I got 1.5 too :Yahoo!:

 

[EYESSHHHAA]

hey guys...im new here...wel my paper was really goood.....i just wanted to noe where do u put the variable resistor?..

 

[Keeemoman]

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

 

[EYESSHHHAA]

i put it ryt b4 the ammeter....n wat was ur pin spacing?....thank you

 

[ajmanutd]

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.

 

[ajmanutd]

wat did you get as the value for n..

i gt 1.5..

hope dat is rite.

:unknown:

I got 1.5 too :Yahoo!:

thank god...
i was really scared abt dat 1 :Bravo: :Yahoo!:

 

[Keeemoman]

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)..................

 

[EYESSHHHAA]

mine was 3cm...n my diadvantage was parallax error...n da other one was it has to be conducted in a dark room