The atmosphere extends to a few…. kilometers.
a) 10
b) 100
c) 1000
d) none
The density of air in the atmosphere is..……….
a) uniform
b) non uniform
c) high
d) low
The air pressure inside the soap bubble is..…… the atmospheric pressure.
a) less than
b) more than
c) equal to
d) none of these
The soap bubble has spherical shape due to…..
a) air pressure inside the balloon is equal to atmospheric pressure
b) atmospheric pressure acts on a bubble acts equally in all directions.
c) both a & b
d) none of these
……is particularly useful for dealing with fluids.
a) density
b) volume
c) pressure
d) area
It is an experimental observation that a ……… exerts pressure in every direction.
a) gas
b) liquid
c) solid
d) fluids
Gas is correct
by at 2025-03-18 10:39:07