The average mean velocity of a stream having depth h, may be obtained by taking the average of the readings of a current meter at a depth of

The average mean velocity of a stream having depth h, may be obtained

1.	The average mean velocity of a stream having depth h, may be obtained by taking the average of the readings of a current meter at a depth of
A.	0.1 h and 0.9 h
B.	0.2 h and 0.8 h
C.	0.3 h and 0.7 h
D.	0.4 h and 0.6 h.
Answer» C. 0.3 h and 0.7 h