MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 102 Mcqs, each offering curated multiple-choice questions to sharpen your Graduate Aptitude Test (GATE) knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the mean value of g at earth’s surface? |
| A. | 0.98 meter per second |
| B. | 9.8 meter per second |
| C. | 9.8 meter per second square |
| D. | 0.98 meter per second square |
| Answer» D. 0.98 meter per second square | |
| 2. |
Which of the following term denotes the internal reaction force per unit area developed as a result of applied external force ? |
| A. | Stress |
| B. | Friction |
| C. | Moment of Inertia |
| D. | tension |
| Answer» B. Friction | |
| 3. |
Which among the following defines cohesive force? |
| A. | the force of attraction acting between the molecules of same material |
| B. | the force of attraction acting between the molecules of different material |
| C. | the force of attraction acting between the atoms of same material |
| D. | None of the above |
| Answer» B. the force of attraction acting between the molecules of different material | |
| 4. |
The ideal fluid which is a hypothetical fluid should contain _______? |
| A. | Zero Viscosity Only |
| B. | Zero Compressibility Only |
| C. | Zero Viscosity & Zero Compressibility |
| D. | None of the above |
| Answer» D. None of the above | |
| 5. |
Which among the following is true about conduction, convection and radiation mode of transfer of heat? |
| A. | A Medium is required for conduction but not required for convection and radiation |
| B. | A medium is required for conduction, convection and radiation |
| C. | A medium is required for conduction and convection but not required for radiation |
| D. | A medium is not required for conduction and convectio, radiation |
| Answer» D. A medium is not required for conduction and convectio, radiation | |
| 6. |
Which among the following is true regarding Sound Waves? |
| A. | They are longitudinal waves and material medium is not required for their propagation |
| B. | They are transverse waves and material medium is required for their propagation |
| C. | They are longitudinal waves and material medium is required for their propagation |
| D. | They are transverse waves and material medium is not required for their propagation |
| Answer» D. They are transverse waves and material medium is not required for their propagation | |
| 7. |
Which among the following principle is used by Bats? |
| A. | RADAR (Radio Detective & Ranging |
| B. | SONAR (Sound Navigation & Ranging |
| C. | law of reflection |
| D. | law of diffraction |
| Answer» C. law of reflection | |
| 8. |
When light from some sources enters to the earth’s atmosphere, it gets scattered. Which among the following is a reason behind scattering? |
| A. | Various wavelengths of light |
| B. | dust, smoke and gas molecules |
| C. | atmospheric pressure |
| D. | None of the above |
| Answer» C. atmospheric pressure | |
| 9. |
Which among the following is true about latent heat ? |
| A. | It causes change in temperature as well as change in state or phase |
| B. | It causes change in temperature only |
| C. | It causes change in state or phase but not in temperature |
| D. | It causes change in Pressure |
| Answer» D. It causes change in Pressure | |
| 10. |
Which among the following is a property of Insulator? |
| A. | The electrons of the outer orbits are loosely bound to the nucleus , however can not flow through them |
| B. | The electrons of the outer orbits are tightly bound to the nucleus and can not flow through them |
| C. | The electrons of the outer orbits are loosely bound to the nucleus , and can flow through them |
| D. | None of the above |
| Answer» C. The electrons of the outer orbits are loosely bound to the nucleus , and can flow through them | |
| 11. |
Equal volumes of all gases contain equal number of molecules under similar conditions of temperature and pressure. Which law says this ? |
| A. | Boyle’s law |
| B. | Charles law |
| C. | Avogadro’s Law |
| D. | Bhor’s law |
| Answer» D. Bhor’s law | |
| 12. |
Ohm is a unit of measuring _________? |
| A. | Resistance |
| B. | Voltage |
| C. | Current |
| D. | None of the above |
| Answer» B. Voltage | |
| 13. |
The inability of a body to change its state of rest or its uniform motion in a straight line is called as ________? |
| A. | Mass |
| B. | weight |
| C. | Inertia |
| D. | Friction |
| Answer» D. Friction | |
| 14. |
What is the approximate height of a Geostationary satellite ? |
| A. | 981 km |
| B. | 15000 kms |
| C. | 35000 kms |
| D. | 5000 kms |
| Answer» D. 5000 kms | |
| 15. |
The Helium atoms that have lost two electrons are called ________? |
| A. | Alpha rays |
| B. | Beta rays |
| C. | Gamma rays |
| D. | None of the above |
| Answer» B. Beta rays | |
| 16. |
Which among the following sentence is correct reason behind the blue color of ocean water? |
| A. | Water molecules absorb all other colors except blue |
| B. | Impurities in Sea water reflect the blue light |
| C. | Water molecules scatter the blue light |
| D. | None of the above |
| Answer» D. None of the above | |
| 17. |
Which of the following waves can be used to measure the speed of a approaching car? |
| A. | Light waves |
| B. | Micro waves |
| C. | Radio waves |
| D. | Sound waves |
| Answer» D. Sound waves | |
| 18. |
Steam at 100 degree centigrade causes more severe burns. Which of the following phenomena will you use to explain this? |
| A. | Specific heat |
| B. | Latent heat |
| C. | Fusion |
| D. | Fission |
| Answer» C. Fusion | |
| 19. |
Who among the following is considered by the Indian scientific community to be the father of experimental fluid dynamics research in India and one of the most eminent researchers in the field of turbulence and boundary layers? |
| A. | Suhas V. Patankar |
| B. | Satish Dhawan |
| C. | M O Smith |
| D. | JC Bose |
| Answer» C. M O Smith | |
| 20. |
Which among the following is known for a FBTR (fast Breeder Test Reactor) ? |
| A. | highest melting point |
| B. | highest resistance |
| C. | Highest malleability |
| D. | All are correct |
| Answer» B. highest resistance | |
| 21. |
What is TERLS? |
| A. | A rocket launching Station |
| B. | A Space Science & Technology Center |
| C. | A satellite launched by India |
| D. | A satellite launched by USA |
| Answer» B. A Space Science & Technology Center | |
| 22. |
First Indian Satellite Aryabhatta was launched in which year ? |
| A. | 1970 |
| B. | 1972 |
| C. | 1975 |
| D. | 1980 |
| Answer» D. 1980 | |
| 23. |
kalpana-1 was first exclusive satellite built by ISRO in which of the following satellite systems? |
| A. | INSAT |
| B. | METSAT |
| C. | GSAT |
| D. | EDUSAT |
| Answer» C. GSAT | |
| 24. |
Which of the following causes the drop of water to be in spherical shape? |
| A. | Viscosity |
| B. | Air resistance |
| C. | Surface tension |
| D. | Temperature |
| Answer» D. Temperature | |
| 25. |
On a smooth glass surface , the drop of water spreads while the drop of mercury remains almost spherical. This proves that ________? |
| A. | Cohesive forces of mercury is more than adhesive forces with glass |
| B. | Cohesive force of water is less than cohesive forces of mercury |
| C. | mercury is a metal |
| D. | 1 & 2 |
| Answer» B. Cohesive force of water is less than cohesive forces of mercury | |
| 26. |
When two mercury drops are brought into contact they form a single bigger drop to get which of the following? |
| A. | Minimum volume |
| B. | Minimum surface area |
| C. | Maximum size |
| D. | Maximum surface area |
| Answer» C. Maximum size | |
| 27. |
If water is heated , it vapor pressure will ______? |
| A. | Increase |
| B. | decrease |
| C. | first increase and then decrease |
| D. | nothing happens to vapor pressure |
| Answer» B. decrease | |
| 28. |
Which among the following works while we wipe with a towel.? |
| A. | evaporation |
| B. | osmosis |
| C. | capillary action |
| D. | surface tension |
| Answer» D. surface tension | |
| 29. |
what happens when a ship enters a Sea from a river ? |
| A. | Evaporation |
| B. | Sublimation |
| C. | Adsorption |
| D. | Solid Phase extraction |
| Answer» C. Adsorption | |
| 30. |
When a barometer is taken down in a coal mine , which of the following happens with the Mercury level in the tube? |
| A. | rises |
| B. | falls |
| C. | falls then rises |
| D. | remains unaltered |
| Answer» B. falls | |
| 31. |
Which among the following character of mercury makes it suitable to use in barometers instead of water? |
| A. | Low density and low vapor pressure |
| B. | High density and high vapor pressure |
| C. | Low density and good conductor of heat |
| D. | High density and low vapor pressure |
| Answer» E. | |
| 32. |
Which among the following is in action in the process of a liquid rising in the syringe when the piston is pulled up? |
| A. | Capillary action |
| B. | surface tension |
| C. | atmospheric pressure |
| D. | cohesive forces |
| Answer» D. cohesive forces | |
| 33. |
On which of the following the jet Engine works? |
| A. | Conservation of energy |
| B. | Conservation of Linear Momentum |
| C. | Conservation of Mass |
| D. | Conservation of Angular momentum |
| Answer» C. Conservation of Mass | |
| 34. |
In which of the following situations the force applied by the weight of a person becomes zero in a lift |
| A. | Lift moves up with an acceleration of 9.8 meter per sq. second |
| B. | Lift moves down with an acceleration of 9.8 meter per sq. second |
| C. | Lift moves up with an speed of 9.8 meter per second |
| D. | Lift moves up with down speed of 9.8 meter per second |
| Answer» C. Lift moves up with an speed of 9.8 meter per second | |
| 35. |
A person who is pulling a bucket filled with water falls behind with the sudden break of the rope. Which of the following laws of Newton comes into action? |
| A. | First Law |
| B. | Second law |
| C. | Third law |
| D. | First and third law |
| Answer» D. First and third law | |
| 36. |
On which of the following Inertia of an object depends ? |
| A. | Bulk |
| B. | Size |
| C. | Shape |
| D. | Mass |
| Answer» E. | |
| 37. |
RLV-TD are a series of technology demonstration missions that have been conceived by ISRO as a first step towards realizing a Two Stage To Orbit (TSTOfully re-usable launch vehicle. What is full form of RLV-TD? |
| A. | Reusable Launch Vehicle-Technology Demonstration |
| B. | Remote Launch Vehicle-Technology Demonstration |
| C. | Return Launch Vehicle-Technology Demonstration |
| D. | Return Launch Vehicle-Technology Demonstration |
| Answer» B. Remote Launch Vehicle-Technology Demonstration | |
| 38. |
VIBGYOR (Violet Indigo Blue Green Yellow Orange Red) are the rainbow colors in which of the following order? |
| A. | Increasing wavelength |
| B. | Decreasing wavelength |
| C. | Increasing polarization |
| D. | Increasing Speed |
| Answer» B. Decreasing wavelength | |
| 39. |
The combination of a Red Glass Plate and a Blue Glass plate will transmit which of the following light? |
| A. | Red light |
| B. | Blue Light |
| C. | Green Light |
| D. | No Light |
| Answer» E. | |
| 40. |
Which among the following statement is correct about Fluorescence? |
| A. | High Energy Photon is absorbed and low energy photon is emitted |
| B. | Low Energy Photon is absorbed and high energy photon is emitted |
| C. | High Energy Photon is absorbed and electron is emitted |
| D. | Low Energy Photon is absorbed and electron is emitted |
| Answer» D. Low Energy Photon is absorbed and electron is emitted | |
| 41. |
Most part of the Cosmic rays that impinge on earth’s atmosphere are __? |
| A. | Electrons |
| B. | Protons |
| C. | Neutrons |
| D. | Gamma rays |
| Answer» C. Neutrons | |
| 42. |
Newton-meters per second is represented as follows? |
| A. | Ohm |
| B. | Volt |
| C. | Watt |
| D. | Calorie |
| Answer» D. Calorie | |
| 43. |
Radiation hardening is used in design of artificial satellites, spacecraft, military aircraft, nuclear power stations, and nuclear weapons for which of the following purposes? |
| A. | Protection from radiation damage |
| B. | trace element analysis |
| C. | use radiation energy |
| D. | Increase resistance |
| Answer» B. trace element analysis | |
| 44. |
Thermonuclear Experimental Reactor (ITER) project is located at? |
| A. | Speed |
| B. | Heat Transfer |
| C. | Static Pressure |
| D. | Volume |
| Answer» B. Heat Transfer | |
| 45. |
Which among the following is the science dealing with Colors? |
| A. | Optics |
| B. | Chromatics |
| C. | Ophthalmology |
| D. | Otology |
| Answer» C. Ophthalmology | |
| 46. |
Which among the following denotes the correct usage of an instrument called “Theodolite”? |
| A. | Measures distances, elevations, bearings etc |
| B. | Measures rotational speed of a shaft |
| C. | Measures horizontal and vertical angles in triangular networks |
| D. | Measures acidity or alkalinity of solutions |
| Answer» D. Measures acidity or alkalinity of solutions | |
| 47. |
Fermi-Kurie plot is used for the study of which of the following? |
| A. | Alpha Decay |
| B. | Beta Decay |
| C. | Internal Conversion |
| D. | Cluster Decay |
| Answer» C. Internal Conversion | |
| 48. |
By which of the following process some stars which are of the size of Sun or smaller convert hydrogen to helium? |
| A. | Triple-alpha process |
| B. | Proton Proton Chain Reaction |
| C. | CNO Cycle |
| D. | R process |
| Answer» C. CNO Cycle | |
| 49. |
SOFAR is a phenomenon which plays an important role in submarine warfare & also known as deep sound channel. Which of the following is correct full foSOFAR? |
| A. | Sound Field Radio Ranging |
| B. | Sound Fixing and Altering Range |
| C. | Sound Fixing and Ranging channel |
| D. | Sound Fixing and Auto Reflection |
| Answer» D. Sound Fixing and Auto Reflection | |
| 50. |
Ballistics is a branch of science that deals with which of the following? |
| A. | Geologic study of the behavior of soil and rock |
| B. | Motion of multibody systems subjected to unilateral contacts and friction |
| C. | Flight, behavior, and effects of projectiles |
| D. | Kinetic energy of a system |
| Answer» D. Kinetic energy of a system | |