Atmospheric pressure at sea level is _______...? Mcqs

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Atmospheric pressure at sea level is _______...?

(A) 746 mm
(B) 760 mm

(C) 820 mm
(D) None of these

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Atmospheric pressure is the force (per unit-area) perpendicular to a unit-area of planetary surface, as determined by _________....?

(A) Mass of vertical column of atmospheric gases
(B) Mass of horizontal column of atmospheric gases

(C) Weight of vertical column of atmospheric gases
(D) Mass of vertical and weight of horizontal of atmospheric gases

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Atmospheric pressure acts in _____...?

(A) Only upwards
(B) Only downwards

(C) All directions
(D) Horizonal only

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The melting point of ice at normal atmospheric pressure is ______...?

(A) 0 °C
(B) 0 K

(C) 100 °C
(D) Both 'a' and 'b'

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_________ means a line on a map connecting points having the same atmospheric pressure at a given time or on average over a given period....?

(A) Isobar
(B) Isobath

(C) Isohel
(D) Isohyet

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Atmospheric pressure decrease rapidly with altitude because the air becomes_______ ...?

(A) Colder
(B) Less denser

(C) Rich in Ozone
(D) Warmer

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One atmospheric pressure is equal to _____...?

(A) 10325 Pascal
(B) 106075 Pascal

(C) 10523 Pascal
(D) 101325 Pascal

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Atmospheric pressure decreases with the _______...?

(A) Increase in longitude
(B) Decrease in altitude

(C) Increase in altitude
(D) Increase in latitude

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Atmospheric pressure is calculated by the ____...?

(A) Height of water column in a pipette
(B) Volume of gas in a cylinder

(C) Resistance in an electric circuit
(D) Height of mercury column in barometer

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The height at which atmospheric pressure declines by a factor of e (an irrational number equal to 2.71828) is called __________....?

(A) Average height (H)
(B) Scale height (H)

(C) Mean height (H)
(D) Standard height (H)

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