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2023 AQA Alevel PHYSICS 7408/3A Paper 3 Section A Question Paper & Mark scheme (Merged) June 2023 [VERIFIED] $17.99   Add to cart

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2023 AQA Alevel PHYSICS 7408/3A Paper 3 Section A Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]

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2023 AQA Alevel PHYSICS 7408/3A Paper 3 Section A Question Paper & Mark scheme (Merged) June 2023 [VERIFIED] Metre ruleANSWERlengths in metres, use fiduciary markers and set squares to align, +- 1mm resolution screw gauge micrometreANSWERlengths in micrometres, calibrate for zero error ...

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  • May 21, 2024
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2023 AQA A-
level PHYSICS
7408/3A Paper 3
Section A
Question Paper
& Mark scheme
(Merged) June
2023 [VERIFIED]

,Metre rule✔✔✔ANSWER➖lengths in metres, use
fiduciary markers and set squares to align, +- 1mm
resolution

screw gauge micrometre✔✔✔ANSWER➖lengths in
micrometres, calibrate for zero error and take repeated
measurements then calculate a mean, +- 0.01mm
resolution

vernier calipers✔✔✔ANSWER➖same with screw gauge
micrometer, +-0.1mm resolution

Thermometer✔✔✔ANSWER➖degrees celsius, calibrate
using ice or boiling water, read the instrument at eye level
at the top of the meniscus, half a division resolution.

Measuring cylinder✔✔✔ANSWER➖volume in ml or
cm^3, read at eye level with the bottom of the meniscus,
half a division resolution

, Pressure gauge✔✔✔ANSWER➖pressure in pascals,
calibrate at atmospheric pressure, half a division or one
division depending on use.

spring newton meter✔✔✔ANSWER➖in newtons,
calibrate and account for zero error. +-1 division

stopwatch✔✔✔ANSWER➖reaction time error. for
waves, record the timing over several oscillations and
take means

digital and analogue ammeter✔✔✔ANSWER➖current in
amperes, ensure ammeters are calibrated, take 3 readings
and calculate a mean. turn off the switch between
readings. +-1 div for analogue +-0.01 amps for digital.

voltmeters✔✔✔ANSWER➖same as ammeters.

pan balance✔✔✔ANSWER➖ensure that balance has
been zeroed. +-resolution of the balance

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