The pressure of
gas molecule inside the tyre is…….than outside.
a) smaller
b)greater
c) same
d) variable
The atmosphere is the layer of …….that surrounds the earth.
a) liquids
b) gases
c) solids
d) plasma
Atmosphere pressure varies with……
a) force
b) height
c) volume
d) area
As mountain climber ascends to higher altitudes, the atmospheric pressure…….
a) remains same
b) increase
c) decreases
d) none of these
The atmospheric pressure will be greatest…….
a) in Murree
b) in Lahore
c) in Karachi
d)on top of K2
The atmospheric pressure at 20000 feet is only…….of that at sea level.
a) one fourth
b) one third
c) one-half
d) double