precision of instrument Flashcards
1
Q
meter rule
A
1 mm (0dp)
0.1 cm (1dp)
0.001 m (3dp)
2
Q
vernier calipers
A
0.1 mm (1dp)
0.01 cm (2dp)
3
Q
micrometer screw gauge
A
0.01 mm (2dp)
0.001 cm (3dp)
4
Q
protractor
A
1 degrees (0dp)
5
Q
digital mass balance
A
0.01g (2dp)
eg. 49.90g
6
Q
standard slotted mass
A
100g (0dp)
7
Q
digitial multimeter
A
record whatever is displayed
8
Q
measuring cylinder
A
0.5 cm3 (1dp)
‘5’ or ‘0’
9
Q
thermometer
A
0.5 degrees celsius
‘5’ or ‘0’
10
Q
digital stopwatch
A
0.1s (1dp)