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National 5 Physics 2015-2016

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Original post by Nvidia
If the pictures are to be trusted then 19 or 20 /20


JESUS, Well done, haha !!!
Original post by A+Hunter
B.

I was confused between A and B

I think it's A because in B when the ray enters the glass it bends away from the normal but it should bend towards as it is slowing down
Original post by ___Sophie___
Yeah that is good to hear :smile: I'm doing better than I thought I would so far :h:

Same
Original post by Ethan100
What do you write for the opened question ?

1. About the teacher and waves in a pond

2. Aircrafts taking off


1) Was kinda confused. Talked about how EM Waves travel at the speed of light and waves in a pond don't.
Then I said something about them being waves

2) Aircrafts with larger mass numbers have lower acceleration, meaning a larger distance has to be covered for take off.
Something about unbalanced forces and acceleration.
Then newtons second law and the equation.
I got full marks in the multiple choice


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Original post by A+Hunter
1) Was kinda confused. Talked about how EM Waves travel at the speed of light and waves in a pond don't.
Then I said something about them being waves

2) Aircrafts with larger mass numbers have lower acceleration, meaning a larger distance has to be covered for take off.
Something about unbalanced forces and acceleration.
Then newtons second law and the equation.


Yes , for 1 I talked about how they were both transverse waves.
For 2 I talked about everything you talked about
Original post by 12345kiran
Yes , for 1 I talked about how they were both transverse waves.
For 2 I talked about everything you talked about


Yeah the similartieis were transverse waves, that's what I wrote as well :smile:

Nice to see someone got the same as me. I'm usually terrible on open ended questions lol.
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Avatar for Nvidia
Nvidia
1
The only question I found difficult in this paper was that aircraft open ended one. I talked about temperature and pressure, pretty sure I got that one wrong. What did you guys get?
Original post by A+Hunter
Yeah the similartieis were transverse waves, that's what I wrote as well :smile:

Nice to see someone got the same as me. I'm usually terrible on open ended questions lol.


I'm pretty bad too in the prelim I got 2 out of 3 and 1 out of 3
What did everyone get for one of the earlier questions about why certain values were being obtained for the voltage and current in a circuit or something along those lines?
And also why would the person benefit from repeating the experiment or something along those lines?
Original post by ___Sophie___
And also why would the person benefit from repeating the experiment or something along those lines?


I think I got that wrong, I just said to increase reliability
Original post by ___Sophie___
And also why would the person benefit from repeating the experiment or something along those lines?


I wrote for accuracy lol. I don't think it's correct.
Original post by ___Sophie___
What did everyone get for one of the earlier questions about why certain values were being obtained for the voltage and current in a circuit or something along those lines?



I'm pretty sure it said How are different voltages and currents obtained ?

Correct me if Im wrong ...
What did you write anyway ?
Original post by 12345kiran
I think I got that wrong, I just said to increase reliability


I said to ensure accuracy, and also noted how the person could also calculate averages. Luckily it was only worth one mark
Original post by Ethan100
I'm pretty sure it said How are different voltages and currents obtained ?

Correct me if Im wrong ...
What did you write anyway ?


Yes it was that. I wrote by increasing or decreasing the resistance.
Original post by 12345kiran
I think I got that wrong, I just said to increase reliability


I said that to. Is that right anyone?
For one of the early questions

where it gave you 4 voltages and 4 currents ( I think)
and then it asked you to find the resistance, what did you guys do with the figures in the table ?
Original post by A+Hunter
I wrote for accuracy lol. I don't think it's correct.


Yeah I did that too and I also said how he could calculate averages or something
Original post by sameehaiqbal
I said that to. Is that right anyone?


I put that too !
Original post by Ethan100
I'm pretty sure it said How are different voltages and currents obtained ?

Correct me if Im wrong ...
What did you write anyway ?


I talked about changing the resistance of the variable resistor

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