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# 2016 AQA Physics Unit 1 - Unofficial Mark scheme watch

1. (Original post by Jamie Vardy)
ihatehannah Try and tidy up the answers. I would have created one but now that you've done it...
To be fair on them, it's probably better to tidy up after all the answers are in

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2. (Original post by coreHelp)
for questiion 13, would surface area and volume count as 2 marks?
I put them together but idk, for the second point I said the material/object the mug is placed on
3. what was the answer for the inefficiency for the gas flame and the sauce pan
4. (Original post by Spiket)
For the question about rate of energy transfer to the mug I put it depends on power output of the heater. Is that wrong?
I think that's fine.

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5. (Original post by habeeb_00)
To be fair on them, it's probably better to tidy up after all the answers are in

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That's what I meant. How many marks have been covered so far?
6. Also the danger for the disadvantages of nuclear power stations
7. what about the control variable for the evaporation thing?
8. [QUOTE=ihatehannah;65157611]1. Frequency ( 1)

2.

Hi i put amiplitude for the first question, what did the question ask?
9. For longitudinal waves is it:
1. Particles vibrate parallel to direction of energy transfer
2. Energy is carried by rarefactions and compressions?
10. (Original post by coreHelp)
what was the answer for the inefficiency for the gas flame and the sauce pan
Loses energy as light and also loses heat by heating the surrounding air (the energy that does that then dissipates into the surroundings)

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11. For the mug qustions
Could you put volume of liquid
12. Was the question on wave speed not 0.0136 metres x 25 Hz
13. Thats what I put down. My friends said it was wrong. 25000/something= 340m/s. Are you certain?

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14. (Original post by charliej2802)
Did anyone else put 22 degrees, think i messed it up
I got that
15. (Original post by Jamie Vardy)
That's what I meant. How many marks have been covered so far?
I think about three quarters of the exam paper?

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16. (Original post by Jt12343)
Was the question on wave speed not 0.0136 metres x 25 Hz
It was 25kHz so u had to convert, answer was 340 I think
17. (Original post by trishka)
I added it to the 100 to get 122
Me too 😞
18. how was the temperature related to the infrared radiation emitted ? was it the bigger the difference the greater the transfer?
19. [QUOTE=CaSama9;65161549]
(Original post by ihatehannah)
1. Frequency ( 1)

2.

Hi i put amiplitude for the first question, what did the question ask?
It asked what changed the pitch? The answer was frequency.

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20. (Original post by Arisole)
It was 25kHz so u had to convert, answer was 340 I think
I must have missed that I put 0.34 m/s which sounds wrong

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