Qualification > Sciences

Physics AS practical 3rd Nov

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Sorceres:

--- Quote from: khi2ruh on November 02, 2009, 03:46:55 pm ---thanks ppl, i was totally confused on that matter,now i get it.

for the percentage uncertainty in Q(angle) will it be like

0.5/value of Q *100?

--- End quote ---

uncertainty for angle is 1

falafail:

--- Quote from: khi2ruh on November 02, 2009, 03:46:55 pm ---thanks ppl, i was totally confused on that matter,now i get it.

for the percentage uncertainty in Q(angle) will it be like

0.5/value of Q *100?

--- End quote ---

i think it's 1/value of Q * 100.

Asif iqbal:
Ummm can u ppl plz find  a list Of errors limitations and Dere solutions....

Asif iqbal:
And 1 more then ne1 expecting wat will come in tomorrows practical plz predict..

falafail:
right, quick question.
in one of the past papers, a ruler was suspended from strings, and one of the questions was to explain how you ensured that the ruler was horizontal.
i checked the examiner report, this is what it said:

"Most candidates stated that they would measure the distance of the rule from the bench top at
each end of the rule, and that the values would be the same if the rule was horizontal. This was
accepted for one mark. The more able candidates went on to give further detail, usually involving
the set square, to gain a second mark."

could someone explain what that last part means? the set square?  ???

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