Scientific Instruments — Set 2

What does a 'Pyrometer' measure?

Which device is used for measuring the growth of plants?

Which instrument is used to measure very small current?

Which instrument is used to determine the altitude of an aircraft?

What is the function of a 'Periscope'?

Which instrument is used to measure the purity of gold?

A 'Chronometer' is used to measure which of the following?

Which instrument is used for measuring the curvature of spherical surfaces?

Which device is used to measure the intensity of sound?

Which instrument is used for recording the sound under water?