Measurement Of Atmospheric Pressure:
The instrument that measure atmospheric pressure is called……….
a) anemometer
b) thermometer
c) barometer
d) none of these
The most commonly used barometer is………
a) alcoholic barometer
b) water barometer
c) mercury barometer
d) none of these
Italian mathematician ……………..invented the first barometer in 1643.
a) Pascal
b) Archimedes
c) Galileo
d) Evangelista Torricelli
The mercury barometer consist of …….meter long glass tube.
a) 1
b) 10
c) 100
d) 5
Explanation: mercury barometer consists of 1m long closed at one end.
In mercury barometer the force exerted on the bowl of mercury by the atmosphere is equal to the …….. of the column of mercury.
a) height
b) mass
c) weight
d) density
