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.
| 551. |
If a physical quantity has the units - ampere per meter squared, then what are it's dimensions?_x005F_x000D_ |
| A. | [AL-2] |
| B. | [I M-2] |
| C. | [I L-2] |
| D. | [AM-2] |
| Answer» D. [AM-2] | |
| 552. |
If a person moves a trolley for a distance of 10 m with a force of 50 N, then the work done is |
| A. | 0.2 J |
| B. | 5 J |
| C. | 20 J |
| D. | 500 J |
| Answer» E. | |
| 553. |
If a force of 20 N is applied on a body with a mass of 10 kg, what will be the acceleration produced?_x005F_x000D_ |
| A. | 100Â m/sec2 |
| B. | 200Â m/sec2 |
| C. | 5Â m/sec2 |
| D. | 2Â m/sec2 |
| Answer» E. | |
| 554. |
If a force acts upon two objects at rest, and having different masses for the same amount of time, then which one of the following will be the same for both the objects? |
| A. | Acceleration |
| B. | Kinetic Energy |
| C. | Velocity |
| D. | Momentum |
| Answer» E. | |
| 555. |
If a current of 1.5 A is maintained in a resistor of 10 ohm, then the energy dissipated in the resistor in 1 minute will be _x005F_x000D_  _x005F_x000D_ |
| A. | 15 W |
| B. | 22.5 W |
| C. | 135 W |
| D. | 1350 W |
| Answer» E. | |
| 556. |
If a boy covers a distance of 20 meter in 4 minutes with a force of 600 N, then the power consumed by the boy is |
| A. | 100 W |
| B. | 50 W |
| C. | 25 W |
| D. | 80 W |
| Answer» C. 25 W | |
| 557. |
If a carrier wave of 1000 kHz is used to carry the signal, the length of transmitting antenna will be equal to _____ ? |
| A. | 300 m |
| B. | 30 m |
| C. | 3 m |
| D. | 0.3 m |
| Answer» B. 30 m | |
| 558. |
If a body weighs 12N on the surface of the earth, how much will it weigh on the surface of the moon where acceleration due to gravity is only one-sixth of that on earth's surface? |
| A. | 12N |
| B. | 2N |
| C. | 10N |
| D. | 6N |
| Answer» C. 10N | |
| 559. |
If a body takes 't' seconds to go once round the circular path of radius 'r', the velocity 'v' is given by |
| A. | v=t2Ï€r |
| B. | v=2Ï€rt |
| C. | v=2Ï€r2t |
| D. | v=Ï€r2t |
| Answer» C. v=2Ï€r2t | |
| 560. |
If a body slides over a surface, the force resisting the motion between them is called ______. |
| A. | Centripetal force |
| B. | Friction |
| C. | Centrifugal force |
| D. | Inertia |
| Answer» C. Centrifugal force | |
| 561. |
If a body moves with a uniform speed in a circular motion, then______. |
| A. | its acceleration is increasing |
| B. | its acceleration is zero |
| C. | its velocity is changing |
| D. | its velocity is uniform |
| Answer» D. its velocity is uniform | |
| 562. |
If a body is whirled in a circle, then the work done on it ___. |
| A. | is zero |
| B. | is positive |
| C. | cannot be determined |
| D. | is negative |
| Answer» B. is positive | |
| 563. |
If a body is moving on a circular path, what is its average velocity if it completes one cycle in one second? |
| A. | Average velocity depends upon time taken to complete one cycle |
| B. | One |
| C. | Average velocity is same as average speed |
| D. | Zero |
| Answer» E. | |
| 564. |
If a bicycle of mass 10 kg moves at a speed of 20 m/s, then the kinetic energy of the bicycle is:_x005F_x000D_ |
| A. | 2000 J |
| B. | 400 J |
| C. | 4000 J |
| D. | 200 J |
| Answer» B. 400 J | |
| 565. |
If a barometric reading is falling, this usually indicates what |
| A. | Increasing pressure |
| B. | Decreasing pressure |
| C. | No pressure |
| D. | None |
| Answer» C. No pressure | |
| 566. |
If a band is played on the moon the sound will |
| A. | reverberate |
| B. | be heard by us faintly |
| C. | be heard upto 10 km from it |
| D. | not be heard at any distance at all from it |
| Answer» E. | |
| 567. |
If a ball is thrown up, which of the following does not change? |
| A. | Acceleration |
| B. | Speed |
| C. | Potential energy |
| D. | Distance |
| Answer» B. Speed | |
| 568. |
If a ball is thrown vertically upwards with a velocity of 40 m/s, then what will be the magnitude of its displacement after 6 s? |
| A. | 80 m |
| B. | 40 m |
| C. | 60 m |
| D. | 20 m |
| Answer» D. 20 m | |
| 569. |
Hydrogen atom is excited from ground state to another state with principal quantum number equal to 4. Then the number of spectral lines in the emission spectra will be |
| A. | 2 |
| B. | 6 |
| C. | 5 |
| D. | 3 |
| Answer» C. 5 | |
| 570. |
Humidity is a measure of the _______________. |
| A. | pressure in the air |
| B. | viscosity of the air |
| C. | air resistance |
| D. | moisture in air |
| Answer» E. | |
| 571. |
How many millimeters make ten kilometers?_x005F_x000D_ |
| A. | 1010 |
| B. | 109 |
| C. | 108 |
| D. | 107 |
| Answer» E. | |
| 572. |
How many laws of physics are there? |
| A. | 5 |
| B. | 4 |
| C. | 3 |
| D. | 2 |
| Answer» D. 2 | |
| 573. |
How many bottles of water is a gallon? |
| A. | 16 |
| B. | 8 |
| C. | 4 |
| D. | 2 |
| Answer» C. 4 | |
| 574. |
How can we measure specific gravity of milk? |
| A. | Using a viscometer |
| B. | Using an odometer |
| C. | Using a hygrometer |
| D. | Using a hydrometer |
| Answer» E. | |
| 575. |
Hot water is poured simultaneously in four metallic tumblers painted outside with different paints. 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 | |
| 576. |
Hot springs are heated geothermally by underlying |
| A. | water |
| B. | magma |
| C. | mitula |
| D. | None of the above |
| Answer» C. mitula | |
| 577. |
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 | |
| 578. |
HEPA filters are used to remove microbes from |
| A. | human tissues |
| B. | air |
| C. | medical instruments |
| D. | liquids |
| Answer» C. medical instruments | |
| 579. |
Heat transfer by conduction occurs when molecules |
| A. | Collide |
| B. | Combine |
| C. | Heated |
| D. | None of the above |
| Answer» B. Combine | |
| 580. |
Heavy water is mostly used in which of the following? |
| A. | In fire extinguisher |
| B. | In nuclear reactors |
| C. | In washing cloth |
| D. | In both Nuclear reactors and Fire extinguisher |
| Answer» C. In washing cloth | |
| 581. |
Heat energy of an object is |
| A. | the average energy of the molecules of the object |
| B. | the total energy of the molecules of the object |
| C. | the average velocity of the molecules of the object |
| D. | the average potential energy of the molecules of the object |
| Answer» C. the average velocity of the molecules of the object | |
| 582. |
Heat flows as a result of difference of _____. |
| A. | Temperature |
| B. | Density |
| C. | mass |
| D. | Volume |
| Answer» B. Density | |
| 583. |
Heat energy is transferred by conduction whenever molecules |
| A. | collide each other |
| B. | means of photons |
| C. | particles replaces there places |
| D. | All of the above |
| Answer» B. means of photons | |
| 584. |
Gravitational force is maximum at which place |
| A. | Poles |
| B. | Tropic of cancer |
| C. | Tropic of capricorn |
| D. | Equator |
| Answer» B. Tropic of cancer | |
| 585. |
Granite is the examples of which rock ? |
| A. | Igneous rock |
| B. | Sedimentary rock |
| C. | Calcareous rock |
| D. | Matamorphic |
| Answer» B. Sedimentary rock | |
| 586. |
Glass is made of which material? |
| A. | Calcium carbonate |
| B. | Sand |
| C. | Silver Iodide |
| D. | Lime |
| Answer» C. Silver Iodide | |
| 587. |
Glass is made from the mixture of |
| A. | Sand and silicates |
| B. | Salt and Sand |
| C. | Salt and silicates |
| D. | None of the above |
| Answer» B. Salt and Sand | |
| 588. |
Generally atomic radius is measured in which unit?_x005F_x000D_ |
| A. | Fermi |
| B. | Millimeter |
| C. | Angstrom |
| D. | Micrometer |
| Answer» D. Micrometer | |
| 589. |
General purpose utility gloves are |
| A. | for surgeries |
| B. | for cleaning procedures |
| C. | for handling tubes |
| D. | All of the above |
| Answer» C. for handling tubes | |
| 590. |
Gear finishing operation is called |
| A. | Burnishing |
| B. | Hobbing |
| C. | Shaping |
| D. | Milling |
| Answer» B. Hobbing | |
| 591. |
Gasoline is useful in cars because it has |
| A. | chemical potential energy |
| B. | electrical potential energy |
| C. | gravitational potential energy |
| D. | kinetic energy |
| Answer» B. electrical potential energy | |
| 592. |
Gamma rays are emanations that have |
| A. | charge but no mass |
| B. | neither mass nor charge |
| C. | both mass and charge |
| D. | mass but no charge |
| Answer» C. both mass and charge | |
| 593. |
'Gallon' is commonly used |
| A. | To refer to speed |
| B. | To refer to a container |
| C. | As a measure of volume |
| D. | To express containers in terms of barrel |
| Answer» D. To express containers in terms of barrel | |
| 594. |
Fuse wire is made of an alloy of |
| A. | Tin and Lead |
| B. | Tin and Copper |
| C. | Lead and Copper |
| D. | Copper and Silver |
| Answer» B. Tin and Copper | |
| 595. |
Fundamental duties are included in the Indian Constitution by the_________Amendment. |
| A. | 44th |
| B. | 42nd |
| C. | 26th |
| D. | 25th |
| Answer» C. 26th | |
| 596. |
Frictional force acts in |
| A. | the same direction as the motion |
| B. | the opposite direction of the motion |
| C. | all the directions |
| D. | upward direction |
| Answer» C. all the directions | |
| 597. |
Friction is caused by the ______________ on the two surfaces in contact. |
| A. | irregularities |
| B. | smoothness |
| C. | densities |
| D. | gaps |
| Answer» B. smoothness | |
| 598. |
Formula for distance is |
| A. | speed x time |
| B. | time / speed |
| C. | speed x acceleration |
| D. | velocity / speed |
| Answer» B. time / speed | |
| 599. |
Formation of shadows can be explained by |
| A. | rectilinear propagation of light |
| B. | reflection |
| C. | refraction |
| D. | total internal reflection |
| Answer» B. reflection | |
| 600. |
Forces of attraction limit the motion of particles most in solids. |
| A. | 1 |
| B. | |
| C. | |
| D. | |
| Answer» B. | |