PHYSICS P5 QUERY

[Meredith Grey]

Hi, everyone!

Firstly, thanks to the XPC for being really quick in replying and all, to any issue that I've posted over the course of being a member of this forum.

Down to business, I am stuck of Physics P5. To be specific: the Question 2 gradient calculation. I've repeatedly calculated gradient for many past paper Q2's, but the thing where I get confused is that:

When one of the axis have, say, × 10^-2 on it, and the other doesn't (take 2012 June/51 as an example), and I calculate the gradient WITHOUT putting the × 10^-2, my answer comes 1.6, which is in fact correct, according to the mark scheme.
This is in conflict with what we have been taught. If I put the × 10^-2 in the gradient calculation, then the answer (not accepted by mark scheme) is something else.

The exam reports aren't helpful. All they say, and I quote : "... were confused by labelling of the axis for lg I and 10^-2" See what I mean? So frusturating.

Please, if anyone knows this, why we do not include power of ten in our gradient calculation, and why at times we do, please answer me.

Thanks!
Mer.

 

[olevelstudent]

I have this same query too, I thought since it involves log we do not have to include the power...
I tried comparing to previous papers and in those questions where we didnt use log we had to include the power....
But this was the only question I did with log so I couldnt compare for this

 

[Thought blocker]

Why would we do that in logs?

 

[Thought blocker]

There is no need.

 

[kdawgtresbon]

I haven't checked the paper yet, but I wanted to ask if the way of writing is okay? Particularly if I should write in continuous prose or points are accepted too ?

 

[Thought blocker]

I haven't checked the paper yet, but I wanted to ask if the way of writing is okay? Particularly if I should write in continuous prose or points are accepted too ?

https://www.xtremepapers.com/commun...st-your-doubts-here.9860/page-808#post-976253