MCQ
Bernoulli’s principle is based on the law of conservation of
- Amass
- ✓energy
- Cangular momentum
- Dlinear momentum
✓
Answer
Correct option: B.
energy
b
Bernoulli’s principle is based on the law of conservation of energy. We equate total energy (pressure energy, potential energy and kinetic energy) of a flowing liquid at different points flowing under constant pressure difference.
Bernoulli’s principle is based on the law of conservation of energy. We equate total energy (pressure energy, potential energy and kinetic energy) of a flowing liquid at different points flowing under constant pressure difference.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
A particle executes $SHM$ with amplitude of $20 \,cm$ and time period is $12\, sec$. What is the minimum time required for it to move between two points $10\, cm$ on either side of the mean position ..... $\sec$ ?
→In a diatomic molecule, the rotational energy at a given temperature.
- Obeys Maxwell’s distribution.
- Have the same value for all molecules.
- Equals the translational kinetic energy for each molecule.
- Is (2/3)rd the translational kinetic energy for each molecule.
The velocity- time graph of a body falling from rest under gravity and rebounding from a solid surface is represented by which of the following graphs?
A uniform cylinder of length $L$ and mass $M$ having crosssectional area $A$ is suspended, with its length vertical, from a fixed point by a massless spring such that it is half submerged in a liquid of density $\sigma$ at equilibrium position. The extension $x_0$ of the spring when it is in equilibrium is
→A rigid rod is sliding. At some instant position of the rod is as shown in the figure. End $A$ has constant velocity $v_0$. At $t = 0, y = l$ .
→The velocity of a particle moving in the positive direction of $x$-axis varies as $v=5 \sqrt{x}$. Assuming that at $t=0$, particle was at $x=0$. What is the acceleration of the particle $.........m/s^2$
→A satellite is orbiting the earth close to its surface. A particle is to be projected from the satellite to just escape from the earth. The escape speed from the earth is νe. Its speed with respect to the satellite:
- Will be less than νe.
- Will be more than νe.
- Will be equal to νe.
- Will depend on the direction of projection.
If an electric fan is run in a heat-insulated closed room, then the temperature of the roons air will be:
What is the ratio of densities of 2 gases, O2 & N2, having partial pressures in the ratio 2:3?
Select the incorrect statement about ideal gas.