Practical Skills

What is the purpose of a metre rule

To measure the length of an object of moderate length

What is the purpose of a Vernier Calipers

To measure short lengths

What is the purpose of a Micrometer Screw Gauge

To measure small values of width, thickness or diameter

What is the purpose of a Top-pan Balance

To measure the mass of an object

What is the purpose of a Protractor

To measure angles

What is the purpose of a Stopwatch

To measure periods of time

What is the purpose of a Thermometer

To measure the temperature of a body

What is the purpose of a Voltmeter

To measure the potential difference across a component

What is the purpose of a Ammeter

To measure the electric current flowing through a component

What is the purpose of a Oscilloscope

To display waves and measure their frequencies

What is the purpose of a Laser

To provide a monochromatic source of light

What is the typical resolution of a metre rule

1mm

What is the typical resolution of a vernier caliper

0.05mm

What is the typical resolution of a micrometer screw gauge

0.001mm

What is the typical resolution of a top-pan balance

0.01g

What is the typical resolution of a protractor

1°

What is the typical resolution of a stopwatch

0.01s

What is the typical resolution of a thermometer

1°C

What is the typical resolution of a voltmeter

1mV-0.1V

What is the typical resolution of an ammeter

1mA-0.1A

What is the typical resolution of a oscilloscope

1Hz

What is the typical resolution of a laser

450-650nm