Edexcel IAL Physics Unit 3 WPH03 May June 2016 Discussion

Original post by bibliosmia

can someone explain why the vernier reading was 10.27 and not 10.70 or any other number?

10.2 from the main cm scale and then you read off the vernier scale, which had 7 divisions, every division was 0.01cm therefore 0.07cm

10.2+0.07 = 10.27, This is how I did it, gotta wait for the Mark scheme to be sure of the exact answer.

Vernier guide for reading:

Spoiler

(edited 7 years ago)

Reply 102

bibliosmia

Thanks, man! Makes sense, but most of my friends got 10.70. Also, vernier constant is 0.005 cm right? So don't we use that?

Reply 103

Hey Guys. I have a question, a silly one though. For the refractive index diagram I drew it in the empty space below the questions. Is that okay.

Reply 104

Original post by SaadKaleem

Wrote the same answer, as both of you.

The %Uncertainty, had to be given in 2 s.f rather then 3 s.f because the data given in the question was 2 s.f max.

I think, I remember writing 7.9 (%) as the answer.

Did not get a negative gradient whatsoever,

Spoiler

Must have gotten confused then.But It didn't pass through origin

Reply 105

Original post by AlonsoAMG

Did some of ur answers look like this?:

multiple choice: A,D,A,B,D (directly proportional, velocity, 10.27, can't remember the other 2)

7.9%
gradient: 4.5
resistivity: 1.1 x10^-6

I didn't think it was too bad wbu

Got all the same answers, except 1st MCQ was linear as it didn't pass through the origin, it cannot be proportional.

Reply 106

Original post by SaadKaleem

Wrote the same answer, as both of you.

Are we talking about the last part of question number 6? with the trolley?
*Sigh* I ended up writing the range 2.97-3.03 s for the time given(3s) and then wrote whatever value you get within that range,You can round that off to 3s.Would I be able to score atleast 1 mark or was that completey wrong?

Reply 107

bibliosmia

Original post by Owais.ik

Hey Guys. I have a question, a silly one though. For the refractive index diagram I drew it in the empty space below the questions. Is that okay.

I did the same! I was reconsidering drawing it on the main lined page but ran out of time. I mentioned stuff like "As shown in the diagram in the previous page.." in my answer though

Reply 108

Original post by Owais.ik

Hey Guys. I have a question, a silly one though. For the refractive index diagram I drew it in the empty space below the questions. Is that okay.

Thats totally fine, you can draw it in there!

Original post by OnTheHorizon

I don't think that is correct at all :frown:

Reply 109

Original post by bibliosmia

I did the same! I was reconsidering drawing it on the main lined page but ran out of time. I mentioned stuff like "As shown in the diagram in the previous page.." in my answer though

Well, for me I also said that for part b I have labelled the stuff on the diagram, I didnt mention last page though.

Reply 110

joose_99

What did you guys get for the value of viscousity in the last question?

Reply 111

Original post by joose_99

What did you guys get for the value of viscousity in the last question?

Which paper were you doing? Viscosity? :colonhash:

Reply 112

Original post by SaadKaleem

Thats totally fine, you can draw it in there!

I don't think that is correct at all :frown:

I believe I'm up to -7 marks now :K:

Hope there aren't any more mistakes :adore:

Reply 113

Original post by SaadKaleem

Thats totally fine, you can draw it in there!
Oh thanks. I feel much better now. Gl with your grades.

Reply 114

Hamadtype-

Original post by SaadKaleem

Which paper were you doing? Viscosity? :colonhash:

lmao maybe he meant resistivity

Reply 115

joose_99

Original post by Hamadtype-

lmao maybe he meant resistivity

just kiddin. Anyone doing computer science (9608) tomorrow?

Reply 116

iWant.A

For the refractive index, question B asked to show on the diagram the quantities to be measured
We just had to draw a normal line and show the angle of incidence and refraction right?

Reply 117

Btw what do you think the grade boundaries will be guys? I doubt it's gonna be 35.In the previous 5 papers It has gone above 30 twice.Once at 31 and once at 33.

Reply 118

Original post by OnTheHorizon

Btw what do you think the grade boundaries will be guys? I doubt it's gonna be 35.In the previous 5 papers It has gone above 30 twice.Once at 31 and once at 33.

33 +- 1 in my opinion. I wonder if I'll grab an A, a B is for sure though.

Reply 119