Modul
e
17 : Surfaces, Surface Area, Surface integrals, Divergence Theorem and applications
Lecture
50 : Application of surface integrals [Section 50.2]
Figure: Boundary of annulus region
(iii)
Möbius strip:
The surface as shown below is not orientable. It is not possible to define a continuous normal
along, say, the curve
Figure: Möbius strip
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