Physics P-34 GT.

[unkidd]

I forgot to write the units :-(

 

[dumb human]

my gradient was in the range of 800-900, y-intercept was 5.

your values arE correct as they make sense =D

 

[dumb human]

I got 902.41 as gradient and y intercept as -14.07

yOUR ANSWERS ALSO LOOK CORRECT....making sense yOu know =P

 

[dumb human]

I forgot to write the units :-(

You might loose 1-2 marks ...

 

[happyperson]

Guys, i made the whole table with pencil, is it fine and acceptable? Please tell me.

 

[Snowysangel]

Guys, i made the whole table with pencil, is it fine and acceptable? Please tell me.

Yeah probably. Don't look to much into it...as long as the examiner can read it

 

[Abdul Basit]

After practical my all classmates were saying that gradient had to be wrttien to 2sf as the sine(theta/2)^2 was written to two sf (number of sf in the calculated quantity is equal to the least number of sf in thedata used for calculation.)

 

[Sohail Shaheen]

Yes, but i wrote it to 3 sf ( 1040, although my answer was 1044.58 something ) 3 SF is wrong? Anyone?

 

[happyperson]

After practical my all classmates were saying that gradient had to be wrttien to 2sf as the sine(theta/2)^2 was written to two sf (number of sf in the calculated quantity is equal to the least number of sf in thedata used for calculation.)

My gradient was coming in 2 sig fig, and my c was also to two sig fig, is it fine? I mean c was also supposed to be to 2 sig fig?

 

[Abdul Basit]

My gradient was coming in 2 sig fig, and my c was also to two sig fig, is it fine? I mean c was also supposed to be to 2 sig fig?

I also did the same and I think its fine. Btw I just checked couple of marking scheme and for gradient and y-intercept there is nothing written about sf for these. Only for tables sf consistenty is written.

 

[unkidd]

well i was thinking time cant be negative so y intercept must be positive

 

[Fatima Iftikhar]

i took six sets of readings, plotted six points. i labelled one point as anomalous, since it was ruining my line of best-fit.
are they going to consider that point as well?

 

[Snowysangel]

i took six sets of readings, plotted six points. i labelled one point as anomalous, since it was ruining my line of best-fit.
are they going to consider that point as well?

Did we have to take six set if readings? I mean I know it's always six but the questioned mentioned five

 

[happyperson]

We had to take 5 set of readings.

 

[unkidd]

how many marks will we lose if we forgot TO WRITE THE UNITS

 

[maestro maisam]

Guys i made a gross blunder by dividing all the values by 10 in "cm" to convert them into "mm" instead of multiplying them by 10 in Question 2.. How many marks will i lose & will there be any ecf on this???

 

[Abdul Basit]

i took six sets of readings, plotted six points. i labelled one point as anomalous, since it was ruining my line of best-fit.
are they going to consider that point as well?

No problem if you took six readings. Cie only penalise if less number of readings are taken e.g here less than 5. Reagarding anomalous point only one anomalous point is allowed and it should be marked clearly as anomalous e.g circle or labelling it.

 

[Snowysangel]

my gradient was in the range of 800-900, y-intercept was 5.

How was your y-intercept positive then? The line was extending to below the x acid before it reach o

 

[unkidd]

time i

How was your y-intercept positive then? The line was extending to below the x acid before it reach o

time is positive always

 

[Snowysangel]

time i

time is positive always

But how did you get a positive value when all our gradients were the same?