MCQ
Pascal is the unit of:
- AForce.
- BStress.
- CWork.
- DEnergy.
✓
Answer
- Stress.
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
If the value of g at the surface of the earth is $9.8$ $m/{\sec ^2}$, then the value of g at a place $480\, km$ above the surface of the earth will be .......... $m/{\sec ^2}$. (Radius of the earth is $6400\, km$)
→The two thin bones (femurs), each of cross-sectional area 10cm2 support the upper part of human body of mass 40 kg. Estimate the average pressure sustained by the femurs:
A mass $M$ is supported by a mass less string would wound a uniform cylinder of mass $M$ and radius $R$. On releasing the mass from rest, it will fall with acceleration
→A metal ball immersed in alcohol weighs ${W_1}$ at $0°C$ and ${W_2}$ at $59°C.$ The coefficient of cubical expansion of the metal is less than that of alcohol. Assuming that the density of metal is large compared to that of alcohol, it can be shown that
→The variation of potential energy $U$ of a system is shown in figure. The force acting on the system is best represented by
→A vertical cylinder with heat-conducting walls is closed at the bottom and is fitted with a smooth light piston. It contains one mole of an ideal gas. The temperature of the gas is always equal to the surrounding’s temperature, $T_0$. The piston is moved up slowly to increase the volume of the gas to $\eta$ times. Which of the following is incorrect?
→The mass of an elevator is 100 kg. It is falling freely, then the weight of a 100 kg body kept in it will be
A source emits a sound of frequency of 400Hz, but the listener hears it to be 390Hz. Then:
In the previous problem (5.3), the magnitude of the momentum transferred during the hit is:
- Zero
- 0.75kg m s–1
- 1.5kg m s–1
- 14kg m s–1
Two forces of $10 \,N$ and $6 \,N$ act upon a body. The direction of the forces are unknown. The resultant force on the body may be .........$N$
→