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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.
| 1251. |
What is the SI unit of electric current? |
| A. | Newton |
| B. | Joule |
| C. | Ampere |
| D. | Watt |
| Answer» D. Watt | |
| 1252. |
What is the SI unit of Charge? |
| A. | Coulomb |
| B. | Amperes |
| C. | Watts |
| D. | Joules |
| Answer» B. Amperes | |
| 1253. |
What is the science of designing and accelerating projectiles so as to achieve a desired performance called?_x005F_x000D_ |
| A. | Ballistics |
| B. | catapulting |
| C. | Ejection |
| D. | Rocket Science |
| Answer» B. catapulting | |
| 1254. |
What is the resistance (in Ω) of an electrical component if a current of 0.2 A passes through it on application of 8 V of potential difference across it?_x005F_x000D_ |
| A. | 40_x005F_x000D_ |
| B. | 1.6_x005F_x000D_ |
| C. | 80_x005F_x000D_ |
| D. | 3.2 |
| Answer» B. 1.6_x005F_x000D_ | |
| 1255. |
What is the resistance (in Ω) of an electrical component if a current of 0.4 A passes through it on application of 12 V of potential difference across it?_x005F_x000D_ |
| A. | 4.8 |
| B. | 60 |
| C. | 9.6 |
| D. | 30 |
| Answer» E. | |
| 1256. |
What is the resistance (in ohm) of an electrical component if a current of 0.5 A passes through it on application of 20 V of potential difference across it? |
| A. | 10 |
| B. | 20 |
| C. | 80 |
| D. | 40 |
| Answer» E. | |
| 1257. |
What is the resistance (in ohm) of an electrical component if a current of 0.1 A passes through it on application of 5 V of potential difference across it? |
| A. | 0.5 |
| B. | 100 |
| C. | 50 |
| D. | 1 |
| Answer» D. 1 | |
| 1258. |
What is the rate of change of position of an object with respect to a frame of reference, which is a function of time called? |
| A. | Mechanics |
| B. | Vector |
| C. | Velocity |
| D. | Magnitude |
| Answer» D. Magnitude | |
| 1259. |
What is the range of frequencies of sound waves audible to human beings? |
| A. | 16kHz to 200kHz |
| B. | 16Hz to 16kHz |
| C. | 16Hz to 20kHz |
| D. | 14Hz to 20kHz |
| Answer» D. 14Hz to 20kHz | |
| 1260. |
What is the reason for formation of Mirage in desert? |
| A. | Refraction of light |
| B. | Reflection of light |
| C. | Total internal reflection of light |
| D. | Both Refraction and Total internal reflection of light |
| Answer» E. | |
| 1261. |
What is the process of conversion of solid state directly to gaseous state called? |
| A. | Evaporation |
| B. | Condensation |
| C. | Sublimation |
| D. | Distillation |
| Answer» D. Distillation | |
| 1262. |
What is the power rating (in W) of a bulb if a current of 0.3 A passes through on application of 240 V of potential difference across its terminals? |
| A. | 800 |
| B. | 36 |
| C. | 400 |
| D. | 72 |
| Answer» E. | |
| 1263. |
What is the position of the image formed by a concave mirror when the object is placed at the centre of curvature of that spherical mirror?_x005F_x000D_ |
| A. | At Infinity |
| B. | Between Infinity and the centre of curvature |
| C. | At focus |
| D. | At the centre of curvature |
| Answer» E. | |
| 1264. |
What is the physical state of water at 12 deg C? |
| A. | Gas |
| B. | Solid |
| C. | Liquid |
| D. | Ionic |
| Answer» D. Ionic | |
| 1265. |
What is the power rating (in W) of a bulb if a current of 0.1A passes through on application of 250V of potential difference across its terminals?_x005F_x000D_ |
| A. | 2500 |
| B. | 50 |
| C. | 25 |
| D. | 1250 |
| Answer» D. 1250 | |
| 1266. |
What is the phenomenon which established the transverse nature of light ? |
| A. | Reflection |
| B. | Interference |
| C. | Diffraction |
| D. | Polarisation |
| Answer» E. | |
| 1267. |
What is the noise level of normal conversation? |
| A. | About 60 dB |
| B. | About 70 dB |
| C. | About 80 dB |
| D. | About 90 dB |
| Answer» B. About 70 dB | |
| 1268. |
What is the name of the device used to convert alternating current into direct current ? |
| A. | Ammeter |
| B. | Galvanometer |
| C. | Rectifier |
| D. | Transformer |
| Answer» D. Transformer | |
| 1269. |
What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space? |
| A. | 18 km/sec |
| B. | 11.2 km/sec |
| C. | 21 km/sec |
| D. | 35 km/sec |
| Answer» C. 21 km/sec | |
| 1270. |
What is the measure of temperature considered as normal in human body? |
| A. | 95 deg F |
| B. | 97 deg F |
| C. | 98.6 deg F |
| D. | 96.8 deg F |
| Answer» D. 96.8 deg F | |
| 1271. |
What is the maximum velocity with which a body of mass 'm' must enter a vertical loop of radius 'R'so that it can complete the loop?_x005F_x000D_ A) 0Â B) gR Â C) Â 2gRÂ D)Â Â 5gR |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» E. | |
| 1272. |
What is the mass of a girl who weighs 450 N?_x005F_x000D_ Â _x005F_x000D_ |
| A. | 450 kg |
| B. | 4.5 kg |
| C. | 459 kg |
| D. | 45.9 kg |
| Answer» E. | |
| 1273. |
What is the minimum distance (in metres) required to hear an echo? |
| A. | 10 |
| B. | 13 |
| C. | 17 |
| D. | 21 |
| Answer» D. 21 | |
| 1274. |
What is the heat released by a heating filament rated 24 W when it is kept on for 6 seconds?_x005F_x000D_ |
| A. | 4 |
| B. | 144 |
| C. | 72 |
| D. | 8 |
| Answer» C. 72 | |
| 1275. |
What is the heat released by a heating filament rated 20 W when it is kept on for 2 seconds?_x005F_x000D_ |
| A. | 40 |
| B. | 10 |
| C. | 80 |
| D. | 20 |
| Answer» B. 10 | |
| 1276. |
What is the heat generated (in J) in a heating element of resistance 900 Ω when a current of 0.3 A passes through it for 10 seconds? |
| A. | 2700 |
| B. | 810 |
| C. | 405 |
| D. | 1350 |
| Answer» C. 405 | |
| 1277. |
What is the heat generated (in J) in a heating element of resistance 800 Ω when a current of 0.2 A passes through it for 40 seconds?_x005F_x000D_ |
| A. | 6400_x005F_x000D_ |
| B. | 1280_x005F_x000D_ |
| C. | 640_x005F_x000D_ |
| D. | 3200 |
| Answer» C. 640_x005F_x000D_ | |
| 1278. |
What is the heat generated (in J) in a heating element of resistance 1000 Ω when a current of 0.1 A passes through it for 25 seconds? |
| A. | 250 |
| B. | 2500 |
| C. | 125 |
| D. | 1250 |
| Answer» B. 2500 | |
| 1279. |
What is the gravitational force exerted on a mass called? |
| A. | Stress |
| B. | Inertia |
| C. | Weight |
| D. | work |
| Answer» D. work | |
| 1280. |
What is the fundamental unit of amount of a substance? |
| A. | Mole |
| B. | Candela |
| C. | Kelvin |
| D. | Meter |
| Answer» B. Candela | |
| 1281. |
What is the full form of "RADAR" ? |
| A. | Radio Detecting and Ranging |
| B. | Region Device and Ranging |
| C. | Radio Detect and Rangs |
| D. | Radio Device and Ranging |
| Answer» B. Region Device and Ranging | |
| 1282. |
What is the escape velocity of the rocket in the earth is? |
| A. | 12.2 km/sec |
| B. | 10.2 km/sec |
| C. | 13.2 km/sec |
| D. | 11.2 km/sec |
| Answer» E. | |
| 1283. |
What is the formula of average velocity?_x005F_x000D_ |
| A. | Vav = u − v/2 |
| B. | Vav = (u + v)/2 |
| C. | Vav = u + v |
| D. | V = s/t |
| Answer» C. Vav = u + v | |
| 1284. |
What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel? |
| A. | 50 |
| B. | 12 |
| C. | 24 |
| D. | 36 |
| Answer» C. 24 | |
| 1285. |
What is the effective resistance (in Ω) of two resistors 12 Ω and 24 Ω connected in parallel? |
| A. | 36 |
| B. | 8 |
| C. | 16 |
| D. | 72 |
| Answer» C. 16 | |
| 1286. |
What is the duration of the world’s shortest X–ray laser has been successfully created by the scientists?_x005F_x000D_ |
| A. | 39 nanoseconds |
| B. | 43 attoseconds |
| C. | 15 picoseconds |
| D. | 57 microseconds |
| Answer» C. 15 picoseconds | |
| 1287. |
What is the effective resistance (in Ω) of two resistors 21 Ω and 28 Ω connected in parallel?_x005F_x000D_ |
| A. | 49 |
| B. | 24 |
| C. | 12 |
| D. | 98 |
| Answer» D. 98 | |
| 1288. |
What is the direction of torque? |
| A. | Perpendicular to the direction of applied force |
| B. | Same as the direction of applied force |
| C. | Opposite to the direction of applied force |
| D. | Parallel to the radius |
| Answer» B. Same as the direction of applied force | |
| 1289. |
What is the Centre of Curvature of a spherical mirror? |
| A. | It is the centre of a hollow sphere of which the spherical mirror is a part |
| B. | It is the midpoint of a spherical mirror |
| C. | It is the point on the principal axis through which rays of light parallel to the principal axis pass after reflection |
| D. | It is a point from which the rays of light appear to be coming from on the principal axis of a convex mirror |
| Answer» B. It is the midpoint of a spherical mirror | |
| 1290. |
What is the amount of work done when a body moves under a force of 1 N at a distance of 1 meter in the direction of the force? |
| A. | 1 Joule |
| B. | 0.01 Joules |
| C. | 100 Joules |
| D. | 10 Joules |
| Answer» B. 0.01 Joules | |
| 1291. |
What is not true with CT Scan? |
| A. | Combines many X-ray images |
| B. | Scanning is often painful |
| C. | Generates 3-D cross-sectional views |
| D. | Identifies normal and abnormal structures |
| Answer» C. Generates 3-D cross-sectional views | |
| 1292. |
Ozone at the higher level of the atmosphere is a product of ______ acting on oxygen molecules._x005F_x000D_ Â _x005F_x000D_ |
| A. | IR radiation |
| B. | UV radiation |
| C. | gamma rays |
| D. | x-rays |
| Answer» C. gamma rays | |