Measurements and their errors AQA Physics Active Recall Questions Prompts Revision
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Course
Measurements and their Errors
Institution
AQA
This document contains 70 questions, ready to fill, based on the Measurements and their errors topic for AQA Physics. These questions are based on every point in the Specification provided by AQA, therefore covering all content required from this module.
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Measurements and their errors Active Recall:
3.1.1: Use of SI units and their prefixes:
1. Name the 7 fundamental SI units, with
their symbols
2. Deduce the SI Base units of Newtons, N
3. Deduce the SI Base units of Joules, J
4. Deduce the SI Base units of Pascals, Pa
5. What are the 10 prefixes, and their
powers of ten?
6. What power of 10 does nano have?
7. What power of 10 does femto have?
8. What power of 10 does tera have?
9. What power of 10 does kilo have?
10.What power of 10 does centi have?
11.What power of 10 does giga have?
12.What power of 10 does mega have?
13.What power of 10 does milli have?
14.What power of 10 does micro have?
15.What power of 10 does pico have?
16.Order the following in ascending order...
μ, M, f, p, G, k, m, c, T, n
17.Order the following in descending order...
μ, M, f, p, G, k, m, c, T, n
18.What equation is the electron volt
derived from?
19.What is one electron volt equal to in
joules?
20.How do you convert from eV to J?
21.How do you convert from J to eV?
22.What is one kilowatt-hours (kWh) equal
to in joules? How?
23.How do you convert from kWh to J?
24.How do you convert from J to kWh?
3.1.2 Limitations of physical measurements:
25.Define true value
26.Define uncertainty
27.List two different types of errors leading
to uncertainty
28.Define random error and what it affects,
mentioning the mean value
29.How can you reduce random error?
30.Define systematic error and what it
affects
31.How can you reduce systematic error? (2
methods)
32.Define zero error
33.What impact does zero error have on
results?
34.Define precision
35.What can you do to make an experiment
more precise?
36.Define accuracy
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