MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 1341 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.
| 201. |
Solar cell converts |
| A. | Solar energy into electrical energy |
| B. | Electrical energy into light energy |
| C. | Sound energy into electrical energy |
| D. | Electrical energy into mechanical energy |
| Answer» B. Electrical energy into light energy | |
| 202. |
In a standing wave the distance between a node and adjacent antinode is______. |
| A. | ? / 2 |
| B. | ? / 4 |
| C. | 3? / 2 |
| D. | 3? / 4 |
| Answer» C. 3? / 2 | |
| 203. |
What is displacement ? |
| A. | Longest distance covered by a body in a random direction |
| B. | Shortest distance covered by a body in a random direction |
| C. | Shortest distance covered by a body in a definite direction |
| D. | Longest distance covered by a body in a definite direction |
| Answer» D. Longest distance covered by a body in a definite direction | |
| 204. |
Which among the following is the surface to surface missile that is made in India? |
| A. | Naag |
| B. | Dharti |
| C. | Akash |
| D. | Prithivi |
| Answer» E. | |
| 205. |
Nichrome wire is used in an electric heater because__________. |
| A. | It has high resistance |
| B. | It has high melting point |
| C. | For all of the above reasons |
| D. | It can resist a current upto approx 5 amperes |
| Answer» D. It can resist a current upto approx 5 amperes | |
| 206. |
Light from the laser is________. |
| A. | Incoherent |
| B. | Composite |
| C. | Dispersed light |
| D. | Monochromatic |
| Answer» E. | |
| 207. |
Blisters are formed more rapidly by the steam of boiling water in comparision to boiling water itself because ________. |
| A. | Stream has latent heat |
| B. | Temperature of the stream is higher |
| C. | Stream enters the body pores rapidly |
| D. | Stream is a gas and rapidly covers the body |
| Answer» B. Temperature of the stream is higher | |
| 208. |
If a red-green flag is seen in green light it appears to be of which of the following colour? |
| A. | Black |
| B. | Green |
| C. | Red - black |
| D. | Black - green |
| Answer» E. | |
| 209. |
The apparatus used in submarines to give clear view of the objects on the surface of the ocean or ground is known as________. |
| A. | Sectant |
| B. | Telescope |
| C. | Periscope |
| D. | Stereoscope |
| Answer» D. Stereoscope | |
| 210. |
If no external force acts on a system of bodies, the total linear momentum of the system of bodies remains constant. Which law states this ? |
| A. | Newton first law |
| B. | Newton second law |
| C. | Newton third law |
| D. | Principle of conservation of linear momentum |
| Answer» E. | |
| 211. |
Kilowatt ? hour is a unit of |
| A. | Power |
| B. | Current |
| C. | Energy |
| D. | Electric charge |
| Answer» B. Current | |
| 212. |
The ozone layer protects us from |
| A. | Radio waves |
| B. | Visual radiation |
| C. | Ultra violet rays |
| D. | Infrared radiation |
| Answer» D. Infrared radiation | |
| 213. |
With an increase in pressure the melting point of max will |
| A. | Increase |
| B. | Decrease |
| C. | Remain unaffected |
| D. | First increase and then decrease |
| Answer» B. Decrease | |
| 214. |
The Element of an electric heater is made of____ |
| A. | Copper |
| B. | Aluminum |
| C. | Nichrome |
| D. | None of these |
| Answer» D. None of these | |
| 215. |
Which planet is nearest to the earth? |
| A. | Mars |
| B. | Venus |
| C. | Jupiter |
| D. | Mercury |
| Answer» B. Venus | |
| 216. |
Einstein got the Nobel prize for? |
| A. | Polarisation |
| B. | Radio activity |
| C. | Theory of relativity |
| D. | Photo-electric effect |
| Answer» E. | |
| 217. |
Electric Motor converts |
| A. | Electrical energy into light energy |
| B. | Mechanical energy into electrical energy |
| C. | Electrical energy into mechanical energy |
| D. | None of above |
| Answer» D. None of above | |
| 218. |
Ampere-hour is the unit of which among the following? |
| A. | Power |
| B. | Energy |
| C. | Amount of charge |
| D. | Intensity of current |
| Answer» D. Intensity of current | |
| 219. |
An ice cube is floating on the surface of water: How will the water level be affected by melting of this ice cube? |
| A. | Water level will go down |
| B. | Water level will be raised |
| C. | Water level will remain the same |
| D. | Water level will first rise up then it will go down |
| Answer» D. Water level will first rise up then it will go down | |
| 220. |
Galvanometer can be converted into a voltmeter by using |
| A. | Low resistance in series |
| B. | High resistance in series |
| C. | Low resistance in parallel |
| D. | High resistance in parallel |
| Answer» C. Low resistance in parallel | |
| 221. |
Which among the following is the best conductor of electricity? |
| A. | Lead |
| B. | Gold |
| C. | Silver |
| D. | Copper |
| Answer» D. Copper | |
| 222. |
Who discovered X-Rays? |
| A. | Einstein |
| B. | Roentgen |
| C. | Madam curie |
| D. | J. j. thomson |
| Answer» C. Madam curie | |
| 223. |
The Period of revolution round the sun is maximum by which among the following planets? |
| A. | Mars |
| B. | Earth |
| C. | Venus |
| D. | Mercury |
| Answer» B. Earth | |
| 224. |
Which one of the following is the softest? |
| A. | Iron |
| B. | Sodium |
| C. | Lithium |
| D. | Aluminium |
| Answer» C. Lithium | |
| 225. |
Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this? |
| A. | I, ii and iii |
| B. | I and ii |
| C. | Ii and iii |
| D. | I and iii |
| Answer» D. I and iii | |
| 226. |
Which of the following is the fastest communication channel? |
| A. | Microwave |
| B. | Optical fiber |
| C. | Radio wave |
| D. | All are operating at nearly the same propagation speed |
| Answer» B. Optical fiber | |
| 227. |
Which color has the highest frequency? |
| A. | Violet |
| B. | Red |
| C. | Indigo |
| D. | Green |
| Answer» B. Red | |
| 228. |
Buoyancy depends on |
| A. | The mass of the liquid displaced |
| B. | The mass of the body |
| C. | The depth to which the body is immersed |
| D. | The shaped of the body |
| Answer» B. The mass of the body | |
| 229. |
Which of the following uses a Non Renewable Energy Source? |
| A. | Wind mill power plant |
| B. | Hydro electric plant |
| C. | Nuclear power plant |
| D. | Tidal power plant |
| Answer» D. Tidal power plant | |
| 230. |
Which of the following is a Heterogeneous Mixture? |
| A. | Air |
| B. | Table salt |
| C. | Soda |
| D. | Brass |
| Answer» D. Brass | |
| 231. |
The p wave of a normal Electrocardiogram indicates |
| A. | Atrial depolarization |
| B. | Ventricular repolarization |
| C. | Atrial repolarization |
| D. | Ventricular depolarization |
| Answer» B. Ventricular repolarization | |
| 232. |
Which compound is a nonelectrolyte? |
| A. | C2h6o |
| B. | Hcl |
| C. | Na2co3 |
| D. | Nacl |
| Answer» B. Hcl | |
| 233. |
Which liquid is the most viscous? |
| A. | Water |
| B. | Diesel |
| C. | Milk |
| D. | Oil |
| Answer» E. | |
| 234. |
The Length of the Day is determined in |
| A. | Length of the hours |
| B. | Length of the year |
| C. | Astronomical units |
| D. | Solar terms |
| Answer» D. Solar terms | |
| 235. |
Which is an example of Phototropism? |
| A. | Roots of a plant following water |
| B. | Plant bending toward the light |
| C. | Roots growing into the soil |
| D. | A venus flytrap capturing a fly |
| Answer» C. Roots growing into the soil | |
| 236. |
Rolling friction is caused by ____ from the following? |
| A. | Non-elastic effects |
| B. | Gravity |
| C. | Power dissipation |
| D. | Buoyancy |
| Answer» B. Gravity | |
| 237. |
A Step-Up Transformer Increases |
| A. | Power |
| B. | Current |
| C. | Frequency |
| D. | Voltage |
| Answer» E. | |
| 238. |
The wavelength of a wave is the distance between |
| A. | Crest and trough |
| B. | Crest and crest |
| C. | Trough and trough |
| D. | Both b & c |
| Answer» E. | |
| 239. |
Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? |
| A. | K1k2/k1+k2 |
| B. | 2k1k2/k1+k2 |
| C. | K1+k2/k1k2 |
| D. | None |
| Answer» C. K1+k2/k1k2 | |
| 240. |
Which part of the flame is the hottest? |
| A. | Blue zone |
| B. | Luminous zone |
| C. | Dark zone |
| D. | Non - luminous zone |
| Answer» B. Luminous zone | |
| 241. |
Which statement best describes an igneous intrusion? |
| A. | Igneous intrusion for when ice crystals splash into lava |
| B. | Magma is injected into surrounding rock forming an igneous intrusive |
| C. | Magma is exported to an open area and forms iron |
| D. | Magma explodes to the surface and forms a smooth outer layer of rock |
| Answer» C. Magma is exported to an open area and forms iron | |
| 242. |
On which day ' National Science Day ' is celebrated in India ? |
| A. | February 23 |
| B. | February 25 |
| C. | February 26 |
| D. | February 28 |
| Answer» E. | |
| 243. |
What is unit of Viscosity ? |
| A. | Coulomb |
| B. | Newton second per square meter |
| C. | Watt per meter per degree celcius |
| D. | Joule per kilogram per kelvin |
| Answer» C. Watt per meter per degree celcius | |
| 244. |
Which of the following is an example of continous emission spectrum? |
| A. | Spectrum of an oil frame |
| B. | Spectrum of a water |
| C. | Both |
| D. | None |
| Answer» B. Spectrum of a water | |
| 245. |
Hot water is poured simultaneously in four metallic tumblers painted outside with different points. After some time the water will be found to have cooled most in the tumbler painted. |
| A. | Rough white |
| B. | Rough black |
| C. | Shining white |
| D. | Shining black |
| Answer» C. Shining white | |
| 246. |
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 | |
| 247. |
A woman?s voice is shriller than a man?s voice due to |
| A. | Weak vocal chords |
| B. | Lower frequency |
| C. | Higher frequency |
| D. | Higher amplitude |
| Answer» D. Higher amplitude | |
| 248. |
Which of the following is not a transverse wave? |
| A. | Light waves |
| B. | Radio waves |
| C. | Sound waves |
| D. | All the above |
| Answer» D. All the above | |
| 249. |
At what temperature (in Fahrenheit) pure water freezes? |
| A. | 0 |
| B. | 17 |
| C. | 32 |
| D. | 39 |
| Answer» D. 39 | |
| 250. |
Which Color has the Longest Wavelength? |
| A. | Violet |
| B. | Yellow |
| C. | Red |
| D. | White |
| Answer» D. White | |