Download App

Fluid Mechanics — JEE physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceJEE physicsFluid Mechanics1 Mark
MCQ
Water falls from a tap, down the streamline
  • A
    Area decreases
  • ✓
    Area increases
  • C
    Velocity remains same
  • D
    Area remains same
✓

Answer

Correct option: B.
Area increases
(a)

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "MCQ" from Fluid Mechanics→Fluid Mechanics — all question types→JEE physics STD 12 Science question papers→CBSE Board STD 12 Science question papers→CBSE Board question paper generator→

Similar questions

When $G e$ crystals are doped with phosphorus atom, then it becomes
→
Two cells when connected in series are balanced on $8 \mathrm{~m}$ on a potentiometer. If the cells are connected with polarities of one of the cell is reversed, they balance on $2 \mathrm{~m}$. The ratio of e.m.f.'s of the two cells is
→
A musical scale is constructed by providing intermediate frequencies between a note and its octave which
→
A billiard ball moving with a speed of $5 \mathrm{~m} / \mathrm{s}$ collides with an identical ball originally at rest. If the first ball stops after collision, then the second ball will move forward with a speed of
→
An iron rod of length $L$ and magnetic moment $M$ is bent in the form of a semicircle. Now its magnetic moment will be
→
What is minimum length of a tube, open at both ends, that resonates with tuning fork of frequency $350 \mathrm{~Hz}$ ? [velocity of sound in air $=350 \mathrm{~m} / \mathrm{s}]$
→
A source of sound $S$ is moving with a velocity $50 \mathrm{~m} / \mathrm{s}$ towards a stationary observer. The observer measures the frequency of the source as $1000 \mathrm{~Hz}$. What will be the apparent frequency of the source when it is moving away from the observer after crossing him ? The velocity of sound in the medium is $350 \mathrm{~m} / \mathrm{s}$
→
A galvanometer of resistance, $G,$ is shunted by a resistance $S$ $ohm$. To keep the main current in the circuit unchanged, the resistance to be put in series with the galvanometer is
→
A particle starts from rest, accelerates at $2 m / s$ for $10 s$ and then goes for constant speed for $30 s$ and then decelerates at $4 m / s$ till it stops. What is the distance travelled by it
→
Which of following can not be polarised
→