(B) According to Bernoulli's theorem,the kinetic energy of the water stream is converted into potential energy at the top of the jet.Let $v = 2.45 \ m

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(B) According to Bernoulli's theorem,the kinetic energy of the water stream is converted into potential energy at the top of the jet.Let $v = 2.45 \ m/s$ be the velocity of the water stream.The maximum height $H$ to which the water can rise above the level of the stream is given by $H = \frac{v^2}{2g}$.Substituting the values,$H = \frac{(2.45)^2}{2 \times 9.8} = \frac{6.0025}{19.6} = 0.30625 \ m = 30.625 \ cm$.The height of the jet above the water surface is $h_{jet} = H - h_{above}$,where $h_{above} = 10.6 \ cm$.Therefore,$h_{jet} = 30.625 \ cm - 10.6 \ cm = 20.025 \ cm \approx 20.0 \ cm$.

Class 11 Physics Mechanical Properties of Fluids Bernoulli's Theorem and Applications of Bernoulli's Theory

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An $L$-shaped tube with a small orifice is held in a water stream as shown in the figure. The upper end of the tube is $10.6 \ cm$ above the surface of the water. What will be the height (in $cm$) of the jet of water coming from the orifice? The velocity of the water stream is $2.45 \ m/s$. (Take $g = 9.8 \ m/s^2$)

A
$0$
B
$20.0$
C
$10.6$
D
$40.0$

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Mechanical Properties of Fluids

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Bernoulli's Theorem and Applications of Bernoulli's Theory

$A$ streamline flow of a liquid of density $\rho$ is passing through a horizontal pipe of cross-sectional area $A_1$ and $A_2$ at two ends. If the pressure of the liquid is $P$ at a point where the flow speed is $v$,then the pressure at another point where the flow speed becomes $3v$ is:

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$Assertion :$ The velocity of flow of a liquid is smaller when pressure is larger and vice-versa.
$Reason :$ According to Bernoulli's theorem,for the stream line flow of an ideal liquid,the total energy per unit mass remains constant.

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Pressure head in Bernoulli's equation is

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Air is streaming past a horizontal airplane wing such that its speed is $120 \ m/s$ over the upper surface and $90 \ m/s$ at the lower surface. If the density of air is $1.3 \ kg/m^3$ and the wing is $10 \ m$ long and has an average width of $2 \ m$,then the difference of the pressure on the two sides of the wing is ....... $Pascal$.

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In the following figure,the flow of liquid through a horizontal pipe is shown. Three tubes $A, B$ and $C$ are connected to the pipe. The radii of the tubes $A, B$ and $C$ at the junction are respectively $2 \ cm, 1 \ cm$ and $2 \ cm$. It can be said that the:

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$A$ streamline flow of a liquid of density $\rho$ is passing through a horizontal pipe of cross-sectional area $A_1$ and $A_2$ at two ends. If the pressure of the liquid is $P$ at a point where the flow speed is $v$,then the pressure at another point where the flow speed becomes $3v$ is:

$Assertion :$ The velocity of flow of a liquid is smaller when pressure is larger and vice-versa.$Reason :$ According to Bernoulli's theorem,for the stream line flow of an ideal liquid,the total energy per unit mass remains constant.

Pressure head in Bernoulli's equation is

In the following figure,the flow of liquid through a horizontal pipe is shown. Three tubes $A, B$ and $C$ are connected to the pipe. The radii of the tubes $A, B$ and $C$ at the junction are respectively $2 \ cm, 1 \ cm$ and $2 \ cm$. It can be said that the:

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$Assertion :$ The velocity of flow of a liquid is smaller when pressure is larger and vice-versa.
$Reason :$ According to Bernoulli's theorem,for the stream line flow of an ideal liquid,the total energy per unit mass remains constant.