| 211. | At which of the following places the value of ‘g’ (gravity) will be maximum? |
A. On top of mount everest | |
B. On top of Qutub Minar | |
C. At the equator | |
D. Camp in Antarctica |
| 212. | On whose law does the hydraulic brake work? |
A. Pascal’s Law | |
B. Wernoulli’s theorem | |
C. Thomson’s law | |
D. Newton’s law |
| 213. | The unit of which of the following is not newton meter |
A. Force | |
B. Kinetic energy | |
C. Work | |
D. Energy |
| 214. | An athlete runs for some distance before taking a long jump because- |
A. Running makes it easier to jump | |
B. It warms his body | |
C. The moment of inertia of his body helps him to cover a longer distance while jumping | |
D. He doesn’t slip when he jumps |
| 215. | Two stones of different masses are dropped simultaneously from the top of a building. |
A. Small stone reaches the ground first | |
B. The bigger stone reaches the ground first | |
C. Both the stones reach the ground at the same time | |
D. Depends on the composition of the stone |
| 216. | Angular momentum is equal to – |
A. Moment of Inertia x Angular Velocity | |
B. Mass x angular velocity | |
C. Linear velocity x angular velocity | |
D. Mass x linear velocity |
| 217. | Bernoulli’s principle is a conservation statement of which of the following? |
A. Mass | |
B. Energy | |
C. Linear momentum | |
D. Pressure |
| 218. | Why do iron needles float on the surface of water? |
A. Due to buoyancy of water | |
B. Due to surface tension | |
C. Due to viscosity | |
D. Due to the force of gravity |
| 219. | Involved in absorption of ink by blasting paper |
A. Ink viscosity | |
B. Capillary reaction phenomenon | |
C. Ink diffusion through blasting | |
D. Siphon action |
| 220. | The weight of an object is minimum when it is placed on – |
A. At the north pole | |
B. At the South Pole | |
C. On the equator | |
D. At the center of the earth |