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Byju's Answer
Standard XII
Physics
Surface Tension
Angle of cont...
Question
Angle of contact of water on oily surface is:
A
acute
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B
obtuse
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C
90
0
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D
0
0
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Solution
The correct option is
B
obtuse
A
n
s
w
e
r
:
−
B
Water will behave as hydrophobic on oily surface so in figure we see that angle is greater than 90 degrees so obtuse.
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