Water from a tap emerges vertically downwards with an initial speed of 1.0 m
. The cross-sectional area of the tap is 
. Assume that the pressure is constant throughout the stream of water and that the flow is streamlined. The cross-sectional area of stream, 0.15 m below the tap would be:
(a)
1
(b)
5
(c)
5
(d)
2
Water from a tap emerges vertically downwards with an initial speed of 1.0 m. The cross-sectional area of the tap is . Assume that the pressure is constant throughout the stream of water and that the flow is streamlined. The cross-sectional area of stream, 0.15 m below the tap would be:
(a)
1
(b)
5
(c)
5
(d)
2
Question ID - 51377 | SaraNextGen Top Answer
Water from a tap emerges vertically downwards with an initial speed of 1.0 m. The cross-sectional area of the tap is . Assume that the pressure is constant throughout the stream of water and that the flow is streamlined. The cross-sectional area of stream, 0.15 m below the tap would be:
(a)
1
(b)
5
(c)
5
(d)
2
|
Water from a tap emerges vertically downwards with an initial speed of 1.0 m |
|||
|
(a) |
1 |
(b) |
5 |
|
(c) |
5 |
(d) |
2 |
1 Answer
127 votes
Answer Key / Explanation : (b) -
Using Bernoulli’s equation 
Equation of continuity
⇒ 
⇒ 
127 votes
Answer Link
127