What physical quantity is measured in torr ? How is it related to the S.I. unit of the quantity?
The unit torr is related to the barometric height as
(a) 1 torr = 1 cm of Hg
(b) 1 torr = 0.76 m of Hg (c) 1 torr = 1 mm of Hg
(d) 1 torr = 1 m of Hg
The magnitude of a physical quantity is expressed as
Physical quantity = ___ × unit