Surface tension
(a)
is measured in newtons per metre
(b)
in the wall of a sphere, is directly proportional to the diameter
of the sphere
(c)
is due to attraction between molecules in a liquid (molecular
cohesion)
(d)
leads to a water manometer under-reading
(e)
leads to a mercury manometer over-reading
(a) true (b)
false (c)
true (d)
false (e)
false
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