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.
| 551. |
Newton's law of gravitation applies? |
| A. | only for celestial bodies |
| B. | only for uncharged particles |
| C. | only for planets |
| D. | for all bodies |
| Answer» E. | |
| 552. |
property of inertia? |
| A. | not in anything |
| B. | happens in something |
| C. | occurs in everything |
| D. | Occurs only in moving objects |
| Answer» D. Occurs only in moving objects | |
| 553. |
Newton's first law of motion gives the concept of? |
| A. | of momentum |
| B. | of energy |
| C. | of work |
| D. | of inertia |
| Answer» E. | |
| 554. |
What is the action-reaction law? |
| A. | Newton's first law |
| B. | Newton's second law |
| C. | Newton's third law |
| D. | none of the suitable |
| Answer» D. none of the suitable | |
| 555. |
When the velocity of a moving body is halved, its momentum becomes? |
| A. | half |
| B. | double |
| C. | four times |
| D. | one fourth |
| Answer» B. double | |
| 556. |
Who gave the definition of gravity? |
| A. | Archimedes |
| B. | newton |
| C. | faraday |
| D. | galileo |
| Answer» C. faraday | |
| 557. |
Cream separates when milk is churned, this is because? |
| A. | centrifugal force |
| B. | gravitational force |
| C. | Frictional force |
| D. | centripetal force |
| Answer» B. gravitational force | |
| 558. |
If the distance covered by an object is proportional to the square of time, then |
| A. | acceleration is fixed |
| B. | acceleration is zero |
| C. | velocity is fixed |
| D. | Velocity and acceleration both change |
| Answer» B. acceleration is zero | |
| 559. |
in uniform circular motion? |
| A. | both acceleration and velocity are variable |
| B. | Velocity and acceleration both remain constant |
| C. | Acceleration and speed remain constant while velocity varies |
| D. | both acceleration and speed remain constant |
| Answer» B. Velocity and acceleration both remain constant | |
| 560. |
Which of the following is a measure of inertia? |
| A. | Speed |
| B. | mass |
| C. | burden |
| D. | acceleration |
| Answer» C. burden | |
| 561. |
Which will have the same value for all freely falling objects in a vacuum? |
| A. | Speed |
| B. | force |
| C. | acceleration |
| D. | Speed |
| Answer» E. | |
| 562. |
Which of the following is a virtual force? |
| A. | centripetal force |
| B. | reaction force |
| C. | nuclear force |
| D. | centrifugal force |
| Answer» E. | |
| 563. |
What will be the product of force and time interval? |
| A. | Speed |
| B. | impulse |
| C. | momentum |
| D. | none of these |
| Answer» C. momentum | |
| 564. |
What is the negative acceleration of an object called? |
| A. | momentum |
| B. | retard |
| C. | acceleration |
| D. | none of the suitable |
| Answer» C. acceleration | |
| 565. |
What is the definition of force? |
| A. | from the first law of motion |
| B. | by third law of motion |
| C. | from the second law of motion |
| D. | none of the suitable |
| Answer» D. none of the suitable | |
| 566. |
The rate of change of velocity of a moving object is called? |
| A. | Speed |
| B. | retard |
| C. | momentum |
| D. | acceleration |
| Answer» E. | |
| 567. |
What is the distance covered by an object in unit time? |
| A. | Speed |
| B. | Speed |
| C. | path length |
| D. | displacement |
| Answer» B. Speed | |
| 568. |
Can an object be displaced? |
| A. | Zero |
| B. | negative |
| C. | positive |
| D. | all these |
| Answer» E. | |
| 569. |
Which of the following is the unit of distance? |
| A. | second |
| B. | meter |
| C. | liters |
| D. | Kilogram |
| Answer» C. liters | |
| 570. |
What is the unit of speed? |
| A. | m-se |
| B. | m/s |
| C. | cm |
| D. | none of the suitable |
| Answer» C. cm | |
| 571. |
Uniform moving body? |
| A. | does not accelerate |
| B. | always quick |
| C. | can be quick |
| D. | none of the suitable |
| Answer» B. always quick | |
| 572. |
The branch of physics that studies the motion of objects is called? |
| A. | mechanics |
| B. | Thermodynamics |
| C. | electronics |
| D. | none of these |
| Answer» B. Thermodynamics | |
| 573. |
What is the distance? |
| A. | scalar |
| B. | Vector |
| C. | both scalar and vector |
| D. | none of these |
| Answer» B. Vector | |
| 574. |
The heat from the Sun reaches the Earth through which of the following types of communication? |
| A. | convection |
| B. | heat exchange |
| C. | Sannyan |
| D. | radiation |
| Answer» E. | |
| 575. |
When a glass rod is placed in steam, its length increases but its breadth? |
| A. | remains unaffected |
| B. | remains in disarray |
| C. | rises up |
| D. | happens to |
| Answer» C. rises up | |
| 576. |
How does mixing of impurities affect the melting point? |
| A. | will grow |
| B. | will decrease |
| C. | sometimes it will decrease sometimes it will increase |
| D. | will remain unchanged |
| Answer» B. will decrease | |
| 577. |
Thermal conductivity of silver compared to thermal conductivity of copper? |
| A. | falls short |
| B. | specific heat |
| C. | sound intensity |
| D. | is more |
| Answer» E. | |
| 578. |
What is the method of heat transmission in which the particles of the medium do not move? |
| A. | driving |
| B. | radiation |
| C. | convection |
| D. | all of these |
| Answer» C. convection | |
| 579. |
In which method of transfer of heat the medium is not necessary? |
| A. | driving |
| B. | convection |
| C. | radiation |
| D. | all of which |
| Answer» D. all of which | |
| 580. |
What is the effect on the melting point of any other substance when added to the pure substance? |
| A. | remains unchanged |
| B. | rises up |
| C. | happens to |
| D. | first increases then decreases |
| Answer» D. first increases then decreases | |
| 581. |
What is the melting point of alloys relative to their constituent metals? |
| A. | equals |
| B. | consists of the following |
| C. | is high |
| D. | none of these |
| Answer» C. is high | |
| 582. |
The temperature at which a liquid changes into vapor after receiving heat is called? |
| A. | boiling point |
| B. | Evaporation |
| C. | Melting point |
| D. | none of these |
| Answer» D. none of these | |
| 583. |
The change of state of matter from liquid to vapor is called? |
| A. | Evaporation |
| B. | melting |
| C. | boiling |
| D. | none of these |
| Answer» B. melting | |
| 584. |
Boiling point of a liquid increases with increase in pressure? |
| A. | will grow |
| B. | will decrease |
| C. | will remain unchanged |
| D. | sometimes it will decrease sometimes it will increase |
| Answer» B. will decrease | |
| 585. |
sublime substances? |
| A. | kapoor nathleen |
| B. | chloride |
| C. | ammonium |
| D. | all of the above |
| Answer» E. | |
| 586. |
The substances which have infinite electrical resistance are called? |
| A. | resistor |
| B. | Driver |
| C. | Dissolved |
| D. | insulating |
| Answer» E. | |
| 587. |
Which of the following is the best resistor? |
| A. | wood |
| B. | Paper |
| C. | glass |
| D. | cloth |
| Answer» D. cloth | |
| 588. |
What is a conductor like while carrying current? |
| A. | Electrically ineffective |
| B. | alternately positively and negatively charged |
| C. | negative: charged |
| D. | positively charged |
| Answer» B. alternately positively and negatively charged | |
| 589. |
Which of the following is an electric bulb? |
| A. | power and voltage |
| B. | power and current |
| C. | energy and electricity |
| D. | current and voltage |
| Answer» B. power and current | |
| 590. |
The change in the vapor state directly without any solid substance is called? |
| A. | distillation |
| B. | boiling |
| C. | polymerization |
| D. | sublimation |
| Answer» E. | |
| 591. |
What are the magnet protectors made of? |
| A. | cobalt |
| B. | Nickel |
| C. | soft iron |
| D. | steel |
| Answer» D. steel | |
| 592. |
'Not' gate can be implemented by? |
| A. | two diodes |
| B. | single diode |
| C. | single transistor |
| D. | Single insulator |
| Answer» D. Single insulator | |
| 593. |
Where does the pure metal collect during electro-refining? |
| A. | utensils |
| B. | Anode |
| C. | cathode |
| D. | Electrolysis |
| Answer» D. Electrolysis | |
| 594. |
What is the substance that conducts current in solid state? |
| A. | graphite |
| B. | Diamond |
| C. | Sodium chloride |
| D. | Iodine |
| Answer» B. Diamond | |
| 595. |
What is the basic principle of operation of battery? |
| A. | dialysis |
| B. | acid based interaction |
| C. | metabolism |
| D. | Electrolysis |
| Answer» D. Electrolysis | |
| 596. |
A bird sitting on a high voltage electric wire does not get electrocuted, because? |
| A. | his feet are electro-electric |
| B. | it does not form a closed path for the flow of electric current |
| C. | it has high resistance |
| D. | his body makes contact with the ground |
| Answer» C. it has high resistance | |
| 597. |
Ohm's law is true about which of the following? |
| A. | semiconductor |
| B. | antiperspirant |
| C. | super conductor |
| D. | Driver |
| Answer» E. | |
| 598. |
Solids which conduct electricity at high temperature but not at low temperature are called? |
| A. | metallic conductor |
| B. | super conductor |
| C. | insulating |
| D. | semiconductor |
| Answer» E. | |
| 599. |
Which of the following is a device that transfers a signal from a region of low resistance to a region of high resistance? |
| A. | transistor |
| B. | diode |
| C. | Motivational |
| D. | capacitor |
| Answer» B. diode | |
| 600. |
What is a current carrying wire? |
| A. | negatively charged |
| B. | positively charged |
| C. | charged by the strength of the current |
| D. | neutral |
| Answer» E. | |