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Tardigrade
Question
Physics
Identify the false statement from the following
Q. Identify the false statement from the following
2193
189
CMC Medical
CMC Medical 2012
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A
If cohesive force = adhesive force, then angle of contact,
θ
=
90
∘
B
If cohesive force < adhesive force, then angle of contact,
θ
<
90
∘
C
If cohesive force > adhesive force, then angle of contact,
θ
>
90
∘
D
If the radius of capillary is reduced to half, then the rise of liquid column becomes four times
Solution:
As the rise of liquid column,
h
∝
r
1
Then, by reducing the radius of capillary to half, the rise of liquid will be two times.