Which instrument is used to measure the force exerted by a liquid?

What is the instrument used to measure the refractive index of a substance?

What is the instrument used to measure the intensity of magnetic fields called?

What is the instrument used to measure the pressure inside the human eye?

Which instrument is used to measure the volume of a liquid?

Which instrument is used to measure the intensity of sound?

What is the instrument used to measure the mass of an object?

Which instrument is used to measure the volume of a liquid?

Which instrument is used to measure the rotational speed of an object?

What is the instrument used to measure the pressure of a gas inside a closed container?