For cohesion less soil particles, the neutral pressure coefficient of

1.	For cohesion less soil particles, the neutral pressure coefficient of soil is taken as:
A.	\(\dfrac{1+sin\theta}{1 -sin \theta }\)
B.	\(\dfrac{1- cos\theta}{1 + cos \theta }\)
C.	\(\dfrac{1-sin\theta}{1 +sin \theta }\)
D.	\(\dfrac{1+ cos\theta}{1 -cos \theta }\)
Answer» B. \(\dfrac{1- cos\theta}{1 + cos \theta }\)

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