Advertisements
Advertisements
Question
What is meant by the statement 'the atmospheric pressure at a place is 76 cm of Hg'? State its value in Pa.
Advertisements
Solution
The atmospheric pressure at a place is 76 cm of Hg means at normal temperature and pressure, the height of the mercury column supported by the atmospheric pressure is 76 cm.
76 cm of Hg = 1.013 x 105 pascal
RELATED QUESTIONS
The atmospheric pressure on earth surface is nearly .............. .
What do you mean by atmospheric pressure?
Write the numerical value of the atmospheric pressure on the earth surface in pascal.
A partially inflated balloon is placed inside a bell jar connected to a vacuum pump. On creating vacuum inside the bell jar, balloon gets more inflated. How does the pressure change: increase, decrease or remains same, inside the (a) bell jar, (b) balloon?
What is the purpose of a barometer?
Give two reasons why water is not a suitable barometric liquid.
Why does a fountain pen leak at high altitude?
What effect does temperature have on air pressure?
Why do Scuba divers wear special suits and equipment?
