MCQOPTIONS
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MCQOPTIONS
This section includes 1292 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.
| 201. |
The kinetic energy acquired by a mass (m) in traveling distance starting from rest under the action of constant force is directly proportional to:_x005F_x000D_ |
| A. | 1/m |
| B. | m° |
| C. | m |
| D. | 1/√m |
| Answer» C. m | |
| 202. |
The instrument used for measuring air pressure is called ..... |
| A. | Anemometer |
| B. | Barometer |
| C. | Hygrometer |
| D. | Thermometer |
| Answer» C. Hygrometer | |
| 203. |
The .......... is connected in parallel in an electric circuit._x005F_x000D_ |
| A. | Voltmeter |
| B. | Fuse |
| C. | Galvanometer |
| D. | Ammeter |
| Answer» B. Fuse | |
| 204. |
The instrument used to regulate temperature to particular degree is called_x005F_x000D_ |
| A. | Thermostat |
| B. | Thermometer |
| C. | Pyrometer |
| D. | Thermocouple |
| Answer» B. Thermometer | |
| 205. |
The instrument used to determine the rotation speed of a shaft is called |
| A. | Speedometer |
| B. | Tachometer |
| C. | Anemometer |
| D. | Chronometer |
| Answer» C. Anemometer | |
| 206. |
The increasing order of the refractive index of certain materials is (left to right) ....... |
| A. | Rocksalt, Benzene, Kerosene, Ice |
| B. | Rock Salt, Ice, Benzene, Kerosene |
| C. | Ice, Kerosene, Benzene, Rock Salt |
| D. | Kerosene, Ice, Benzene, Rock Salt |
| Answer» D. Kerosene, Ice, Benzene, Rock Salt | |
| 207. |
The instrument that measures the wind speed is called __________________._x005F_x000D_ |
| A. | an anemometer |
| B. | an odometer |
| C. | a manomete |
| D. | a barometer |
| Answer» B. an odometer | |
| 208. |
The instrument that measures the ______________ is called an anemometer. |
| A. | wind speed |
| B. | pressure |
| C. | humidity |
| D. | rainfall |
| Answer» B. pressure | |
| 209. |
The information of brilliant colors in a thin soap film is a consequence of the phenomena of |
| A. | Polarization and interference |
| B. | Diffraction and dispersion |
| C. | Multiple refraction and dispersion |
| D. | Multiple reflection and interference |
| Answer» E. | |
| 210. |
The inability of a body to change its state of rest or uniform motion along a straight line is called its |
| A. | momentum |
| B. | velocity |
| C. | acceleration |
| D. | inertia |
| Answer» E. | |
| 211. |
The Hooke's law is valid for |
| A. | only proportional region of the stress strain curve |
| B. | entire stress strain curve |
| C. | entire elastic region of the stress strain curve |
| D. | elastic as well as plastic region of the stress strain curve |
| Answer» B. entire stress strain curve | |
| 212. |
The impression of an image persists on the retina for about _________ of a second. |
| A. | 1/10th |
| B. | 1/8th |
| C. | 1/16th |
| D. | 1/5th |
| Answer» D. 1/5th | |
| 213. |
The Hydraulic Break works on the principle of _____ ? |
| A. | Pascal's Law |
| B. | Boyle's law |
| C. | Coulomb's law |
| D. | Bernouli's law |
| Answer» B. Boyle's law | |
| 214. |
The image of an object formed on the retina of the eye is |
| A. | virtual and upright |
| B. | virtual and inverted |
| C. | real and inverted |
| D. | Real and upright |
| Answer» D. Real and upright | |
| 215. |
The heat from the sun reaches earth through Convection. |
| A. | 1 |
| B. | |
| C. | |
| D. | |
| Answer» C. | |
| 216. |
The group of solar cells joined together in a definite pattern is called a |
| A. | Battery |
| B. | Solar Heater |
| C. | Solar cooker |
| D. | Solar cell panel |
| Answer» E. | |
| 217. |
The heat produced by current in wire during time is determined by ......._x005F_x000D_ |
| A. | HÂ =Â I2R |
| B. | HÂ =Â IRt |
| C. | HÂ =Â I2Â t |
| D. | HÂ =Â I2Rt |
| Answer» E. | |
| 218. |
The gravitational force of attraction between two bodies is __________________ the product of their masses._x005F_x000D_ |
| A. | directly proportional to the square of |
| B. | inversely proportional to |
| C. | inversely proportional to the square of_x005F_x000D_ |
| D. | directly proportional to_x005F_x000D_ |
| Answer» E. | |
| 219. |
The greater the difference in _____________, the faster the air moves. |
| A. | humidity |
| B. | pressure |
| C. | altitude |
| D. | latitude |
| Answer» C. altitude | |
| 220. |
The gravitational force of attraction between two bodies is ____________________ the distance between the two bodies._x005F_x000D_ |
| A. | inversely proportional to the |
| B. | directly proportional to the square of_x005F_x000D_ |
| C. | inversely proportional to the square of_x005F_x000D_ |
| D. | directly proportional to the |
| Answer» D. directly proportional to the | |
| 221. |
The GPS device in an automobile uses which communication channel? |
| A. | Satellite |
| B. | Microwave |
| C. | Radio frequency |
| D. | Infrared |
| Answer» B. Microwave | |
| 222. |
The functioning of a very old model pendulum clock was completely |
| A. | Mechanical |
| B. | Mechanical and electrical |
| C. | Electrical |
| D. | Battery operated |
| Answer» B. Mechanical and electrical | |
| 223. |
The frictional force exerted by fluids is also called ________. |
| A. | drag |
| B. | buoyancy |
| C. | upthrust |
| D. | convection |
| Answer» B. buoyancy | |
| 224. |
_x005F_x000D_ The given symbol stands for a/an ___ in an electric circuit. |
| A. | resistor |
| B. | plug key |
| C. | electric bulb |
| D. | battery |
| Answer» D. battery | |
| 225. |
The formula of Power is |
| A. | momentum/time |
| B. | work/time |
| C. | speed/time |
| D. | displacement/time |
| Answer» C. speed/time | |
| 226. |
The force which makes a vehicle to stop when break is applied is called |
| A. | gravitational force |
| B. | vanderÂwalls force |
| C. | frictional force |
| D. | coÂvalant force |
| Answer» D. coÂvalant force | |
| 227. |
The forces between two bodies are always equal and opposite. This idea is stated in the form of Newton's |
| A. | first and second law of motion |
| B. | first law of motion |
| C. | third law of motion |
| D. | second law of motion |
| Answer» D. second law of motion | |
| 228. |
The formation of frost on cooling coils in a refrigerator |
| A. | Increases heat transfer |
| B. | Improves C.O.P. of the system |
| C. | Increases power consumption |
| D. | Reduces power consumption |
| Answer» D. Reduces power consumption | |
| 229. |
The frequency of direct current is _____________ |
| A. | Zero |
| B. | 50 HZ |
| C. | 60 HZ |
| D. | 100 HZ |
| Answer» B. 50 HZ | |
| 230. |
The force that generates wind is |
| A. | Gravity force |
| B. | Pressure gradient force |
| C. | Coriolis force |
| D. | Centrifugal force |
| Answer» C. Coriolis force | |
| 231. |
The force that keeps a body in a circular motion called |
| A. | the centripetal force |
| B. | the centrifugual force |
| C. | the frictional force |
| D. | all the above |
| Answer» B. the centrifugual force | |
| 232. |
The force exerted on an object is 200 N and its mass is 100 kg. Find the acceleration of the object. |
| A. | 2 m/s |
| B. | 2 m |
| C. | 2 m/sq.s |
| D. | 2 s |
| Answer» D. 2 s | |
| 233. |
The force of friction between two surfaces will increase if: |
| A. | a layer of lubricant is kept between the two surfaces |
| B. | the two surfaces are pressed harder |
| C. | air gap is created between the two surfaces |
| D. | irregularities on both the surfaces are removed |
| Answer» C. air gap is created between the two surfaces | |
| 234. |
The force ultimately responsible for mass movement |
| A. | erosion |
| B. | gravity |
| C. | deposition |
| D. | weathering |
| Answer» C. deposition | |
| 235. |
The flow of thermal energy is called |
| A. | Heat |
| B. | Current |
| C. | Voltage |
| D. | Potential |
| Answer» B. Current | |
| 236. |
The focal length of a concave mirror with a radius of curvature of 20.0 cm is : |
| A. | 20 cm |
| B. | 5 cm |
| C. | 10 cm |
| D. | 15 cm |
| Answer» D. 15 cm | |
| 237. |
The force exerted by a magnet is an example of _________. |
| A. | Non-contact force |
| B. | Muscular force |
| C. | Contact force |
| D. | Electrostatic force |
| Answer» B. Muscular force | |
| 238. |
The focal length of a lens is 50 centimetre. Its power is:_x005F_x000D_ |
| A. | 50 dioptre |
| B. | 1 dioptre |
| C. | 10 dioptre |
| D. | 2 dioptre |
| Answer» E. | |
| 239. |
The filament of a light bulb is made up of_x005F_x000D_ |
| A. | Platinum |
| B. | Tantalum |
| C. | Tungsten |
| D. | Antimony |
| Answer» D. Antimony | |
| 240. |
The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by |
| A. | Galileo |
| B. | Martin Luther |
| C. | Johannes Kepler |
| D. | Copernicus |
| Answer» D. Copernicus | |
| 241. |
The energy that generates wind comes from what source? |
| A. | Anemometers |
| B. | Solar radiation |
| C. | Ocean currents |
| D. | None of the above |
| Answer» C. Ocean currents | |
| 242. |
The fact that two large ships travelling on close parallel courses in the same direction tend to move towards each other can be explained by |
| A. | Bernoulli's principle |
| B. | Magnetic properties of the ship's material |
| C. | Newton's third law of motion |
| D. | Earth's gravitational force |
| Answer» B. Magnetic properties of the ship's material | |
| 243. |
The first equation of motion gives the relation between |
| A. | position and time |
| B. | position and velocity |
| C. | velocity and time |
| D. | velocity and acceleration |
| Answer» D. velocity and acceleration | |
| 244. |
The energy released at the end of digestion is in the form of |
| A. | thermal energy |
| B. | electric energy |
| C. | kinetic energy |
| D. | chemical energy |
| Answer» E. | |
| 245. |
The energy stored in a dry cell is in the form of |
| A. | Potential energy |
| B. | Chemical energy |
| C. | Kinetic energy |
| D. | Nuclear energy |
| Answer» C. Kinetic energy | |
| 246. |
The energy possessed by a body due to its change in position or shape is called |
| A. | kinetic energy |
| B. | chemical energy |
| C. | nuclear energy |
| D. | potential energy |
| Answer» E. | |
| 247. |
The energy obtained from atoms is known as......... |
| A. | Solar energy |
| B. | Heat energy |
| C. | Nuclear energy |
| D. | Chemical energy |
| Answer» D. Chemical energy | |
| 248. |
The energy of a photon, whose momentum is 10 MeV/c, where c is the speed of light, is given by |
| A. | 10 MeV |
| B. | 100 MeV |
| C. | 1 MeV |
| D. | 0.1 MeV |
| Answer» B. 100 MeV | |
| 249. |
The distance-time graph for the motion of an object moving with a constant speed is a __________. |
| A. | Dot |
| B. | Circle |
| C. | Straight Line |
| D. | Curve |
| Answer» D. Curve | |
| 250. |
The energy associated with motion is called |
| A. | Potential energy |
| B. | Kinetic energy |
| C. | Both A & B |
| D. | None of the above |
| Answer» C. Both A & B | |