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Questions  

Surface tension of water in the CGS system is 72 dyne/cm.  What is its value in SI units?

a
0.072Nm
b
0.0072Nm
c
0.72Nm
d
7.2Nm

detailed solution

Correct option is A

I dyne =10-5 N 1 cm=10-2 m ∴  72dyne/cm=72×10-510-2Nm=0.072Nm

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