At sea-level, atmospheric pressure is

76 c m o f H g

column

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0.76 c m o f H g

column

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76 m o f H g

column

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76 c m o f w a t e r

column

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Solution

The correct option is A $76 c m o f H g$ column
At sea -level , atmospheric pressure is equal to $76 c m$ of $H g$ (MERCURY) column.That is , at sea -level , atmospheric pressure is equal to pressure due to weight of $76 c m$ height of $H g$ column per unit area.

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Similar questions

Q. Atmospheric pressure at sea level is ___ cm of the mercury column.

Q. What is the standard level of the mercury column for 1 atmospheric pressure?

The magnitude of atmospheric pressure is equal to the pressure exerted by a :
(a)76 mm tall column of mercury
(b) 760 mm tall column of alcohol
(c) 76 cm tall column of mercury
(d)760 cm tall column of mercury

Rewrite the following table in such a way that column − 2 and column − 3 will match column 1:

Column 1		Column 2		Column 3
(1)	Pressure	(a)	Mass/ volume	(i)	Specific gravity
(2)	Density	(b)	Thrust/area	(ii)	Decreases with increase in height above the sea level.
(3)	Atmospheric pressure	(c)	No unit	(iii)	Useful to determine purity of substance
(4)	Relative density	(d)	pascal	(iv)	Decreases with increase in area.

Q. Unit measure of atmospheric pressure is equal to the column of mercury pressure of _____.

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At sea-level, atmospheric pressure is

The correct option is A 76cmofHg columnAt sea -level , atmospheric pressure is equal to 76cm of Hg(MERCURY) column.That is , at sea -level , atmospheric pressure is equal to pressure due to weight of 76cm height of Hg column per unit area.

The correct option is A $76 c m o f H g$ column
At sea -level , atmospheric pressure is equal to $76 c m$ of $H g$ (MERCURY) column.That is , at sea -level , atmospheric pressure is equal to pressure due to weight of $76 c m$ height of $H g$ column per unit area.