MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Equation of Continuity

According to ...

Question

According to equation of continuity when water falls its speed increases, while its cross-sectional area

A

increases.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

decreases.

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C

remain same.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

different.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B decreases.
According to equation of continuity
Area $\times$ Velocity = constant
hence when velocity increases area decreases.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Assertion :The velocity increases, when water flowing in broader pipe enters a narrow pipe. Reason: According to equation of continuity, product of area and velocity is constant.

Q. Water is slowly coming out from a vertical pipe. As the water descends after coming out, its area of cross section reduces. Explain this on the basis of the equation of continuity.

Q. Assertion :Consider a current carrying wire whose cross section area decreases gradually along the direction of current, like as shown in figure. As one goes from cross-section

A

to cross-section

B

, the drift speed of electron increases. Reason: Electric field intensity at any cross-section in a current carrying wire is in inversely proportional to its cross sectional area.

Q. When water falls from a tap the velocity of falling water under the action of gravity will increase and the cross section of the water stream will decrease i.e., the falling stream of water becomes narrower.It is based on :

Q. A tube of uniform cross-sectional area and of length

l

is closed at its lowest end. The tube is filled with water. The tube is found to increase by

Δ l

when pulled vertically downwards but length of column of water increase by

δ l

only, then fractional change in its diameter is:

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Fluid Flow

PHYSICS

Watch in App

explore_more_icon

Explore more

Equation of Continuity

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon