By which instrument BP of man is determined ?

The instrument by which BP is determined

Answer the following questions orally: Which instrument is used to determine the directions?

the length and breadth of a rectangle wire measured using an instrument and the area was determined as 28.83 cm^(2) .The instrument used could be "_______"

By which instrument can the presence of magnetic field be determined ?

By which device, the pulmonary volume (air) of man is determined?

Which instrument is used to accurate determination of atomic masses.

Which instrument is used to measure heat?

In which instrument pressure can be measured?