MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What always changes when a body is in motion ? |
| A. | Acceleration |
| B. | Velocity |
| C. | Position vector |
| D. | Its momentum |
| Answer» D. Its momentum | |
| 2. |
What an n-type and p-type silicon can be obtained by doping pure silicon with? |
| A. | aluminium and boron |
| B. | arsenic and phosphorus |
| C. | indium and aluminium |
| D. | phosphorus and indium |
| Answer» E. | |
| 3. |
Which of the following wavelengths will suffer maximum deviation while passing through a prism? |
| A. | Violet |
| B. | Red |
| C. | Orange |
| D. | Green |
| Answer» B. Red | |
| 4. |
What is positive electrode also known? |
| A. | Cathode |
| B. | Anode |
| C. | Anode Rays |
| D. | Anode Rays |
| Answer» C. Anode Rays | |
| 5. |
What do we use for long range and precision ? |
| A. | All of these |
| B. | Remote control missile |
| C. | Ballistic missile |
| D. | Guided missile |
| Answer» C. Ballistic missile | |
| 6. |
What does a satellite moving round the earth constitutes? |
| A. | Neither inertial nor non inertial |
| B. | An inertial frame of reference |
| C. | Non inertial frame of reference |
| D. | Both inertial and non inertial |
| Answer» D. Both inertial and non inertial | |
| 7. |
Why are the inner lining of hot water made up of copper? |
| A. | copper is good conductor of both heat and electricity |
| B. | copper has highelectrical conductivity |
| C. | copper has less heat capacity |
| D. | copper does not react with steam |
| Answer» B. copper has highelectrical conductivity | |
| 8. |
What is volume of the nucleus proportional to? |
| A. | number of proton |
| B. | mass number |
| C. | atomic number |
| D. | number of neutron |
| Answer» C. atomic number | |
| 9. |
Where is the speed of fluid maximum in the venturimeter? |
| A. | None of these |
| B. | throat |
| C. | Diverging side |
| D. | Converging side |
| Answer» C. Diverging side | |
| 10. |
What is Circular motion of a body also called? |
| A. | All of these |
| B. | Tangential motion |
| C. | Linear motion |
| D. | Angular motion |
| Answer» E. | |
| 11. |
Who discoveredNeutron? |
| A. | Milian |
| B. | Rutherford |
| C. | Chadwick |
| D. | Hahn and Strassman |
| Answer» D. Hahn and Strassman | |
| 12. |
What is the escape velocity of a body in gravitational field of earth independent of? |
| A. | its mass |
| B. | Mass and angle at which it is thrown |
| C. | Gravitational field of earth |
| D. | The angle at which it is thrown |
| Answer» C. Gravitational field of earth | |
| 13. |
What is the use of chemical substances to treat disease especially cancer called? |
| A. | Chemotherapy |
| B. | Radiotherapy |
| C. | Irradiation |
| D. | Radiology |
| Answer» B. Radiotherapy | |
| 14. |
What is the medical use of ionizing radiation as part of cancer treatment to control malignant cells called? |
| A. | Irradiation |
| B. | Radiology |
| C. | Chemotherapy |
| D. | Radiotherapy |
| Answer» E. | |
| 15. |
Which viral disease is transmitted through birds especially chicken? |
| A. | Diabetes millatus |
| B. | Cyan bacterium |
| C. | Bird flu |
| D. | Malaria |
| Answer» D. Malaria | |
| 16. |
How an angle between two vectors A and B be determined ? |
| A. | Left hand rule |
| B. | Their dot product |
| C. | Right hand rule |
| D. | Their cross product |
| Answer» C. Right hand rule | |
| 17. |
What is the acceleration of a body when it revolves in a circle with constant speed? |
| A. | Directed inwards |
| B. | Not Directed |
| C. | None of the above |
| D. | Directed outwards |
| Answer» B. Not Directed | |
| 18. |
What are Rectangular components of a vector ? |
| A. | None of the above |
| B. | commutative |
| C. | Prependicular |
| D. | at right angle to each other |
| Answer» E. | |
| 19. |
What is the phenomenon of bursting of hydrogen balloon based on? |
| A. | Charle's law |
| B. | Boyle's law |
| C. | Bernoulli's theorem |
| D. | Henry's law |
| Answer» B. Boyle's law | |
| 20. |
What is basis of Propulsion of rocket ? |
| A. | Law of conservation of angular momentum |
| B. | 3rd law of motion |
| C. | Law of conservation of energy |
| D. | Law of conservation of linear momentum |
| Answer» E. | |
| 21. |
What type of force is Centrifugal force ? |
| A. | Reaction force |
| B. | Variable force |
| C. | Constant force |
| D. | Action force |
| Answer» B. Variable force | |
| 22. |
Which of the following statements given below is correct in the respect of a geostationary satellite? |
| A. | It moves in a plane containing the Greenwich merdian |
| B. | It moves in a plane perpendicular to the celestal equatorial plane |
| C. | Its height above the earth's surface is about the six times the radius of the earth |
| D. | Its height above the earth's surface is about the same as the radius of the earth |
| Answer» D. Its height above the earth's surface is about the same as the radius of the earth | |
| 23. |
Which one of the following is correct when a body moving in a circular path with constant speed? |
| A. | The body has constant acceleration |
| B. | The body has constant retardation |
| C. | the body has constant velocity and variable speed |
| D. | The body has variable acceleration |
| Answer» E. | |
| 24. |
Which physical quantities are measured by erg? |
| A. | Magneto motive force |
| B. | Force |
| C. | Energy |
| D. | Lens optical power |
| Answer» D. Lens optical power | |
| 25. |
Why does the uncertainty in a measurement may occurs? |
| A. | All of these |
| B. | Natural variation of the object to be measured |
| C. | Limitation of instrument |
| D. | Inadequate if technique |
| Answer» B. Natural variation of the object to be measured | |
| 26. |
What is the body which maintains a constant distance between its two particles called? |
| A. | None of these |
| B. | Forced body |
| C. | Rigid body |
| D. | Brittle body |
| Answer» D. Brittle body | |
| 27. |
When does a chimney works best ? |
| A. | Moving slowly |
| B. | Moving |
| C. | Moving fast |
| D. | Stationary |
| Answer» D. Stationary | |
| 28. |
What is the electrical device which converts sound energy into electrical energy? |
| A. | Water pump |
| B. | Microphone |
| C. | Speaker |
| D. | Electric motor |
| Answer» C. Speaker | |
| 29. |
Which one of the following materials will have maximum sound velocity? |
| A. | He |
| B. | H2 |
| C. | O2 |
| D. | N2 |
| Answer» B. H2 | |
| 30. |
Which one of the following is deviated by an electric field? |
| A. | x-rays |
| B. | gama rays |
| C. | alpha rays |
| D. | neutrons |
| Answer» D. neutrons | |
| 31. |
Which one of the following pairs of physical quantities may be represented in the same unit? |
| A. | Specific heat and heat |
| B. | Temperature and mole |
| C. | Heat and work |
| D. | Heat and temperature |
| Answer» D. Heat and temperature | |
| 32. |
What does a cyclotron accelerate? |
| A. | ions |
| B. | atoms |
| C. | gamma rays |
| D. | neutrons |
| Answer» B. atoms | |
| 33. |
Which one of the following mechanisms uses the Pascal's law? |
| A. | The landing of flight |
| B. | The flight take-off |
| C. | The floating of ship |
| D. | The hydraulic brakes |
| Answer» E. | |
| 34. |
What is the device used to store electric charge ? |
| A. | Coil |
| B. | Capacitor |
| C. | Resister |
| D. | Transformer |
| Answer» C. Resister | |
| 35. |
What is unit of Human blood pressure? |
| A. | Nm-2 |
| B. | Pascal |
| C. | Cm |
| D. | mm |
| Answer» E. | |
| 36. |
What does an area on the velocity time graph give? |
| A. | inertia |
| B. | Newtons second law |
| C. | low |
| D. | distance |
| Answer» E. | |
| 37. |
What will be produced by a point source placed at principle focus of convex lens ? |
| A. | Linear wave front |
| B. | Spherical wave front |
| C. | Circular wave front |
| D. | Plane wave front |
| Answer» E. | |
| 38. |
What do Longitudinal waves not show? |
| A. | Polarization |
| B. | Diffraction |
| C. | Refraction |
| D. | Reflection |
| Answer» B. Diffraction | |
| 39. |
What force directs torque? |
| A. | along the tangent to the circle |
| B. | None of the above. |
| C. | along the axis of rotation. |
| D. | towards the centre |
| Answer» B. None of the above. | |
| 40. |
What are the waves which do not need a material medium for their propagation called? |
| A. | Electrostatic |
| B. | Electromagnetic |
| C. | Mobile |
| D. | Static |
| Answer» C. Mobile | |
| 41. |
What is work done per unit charge called? |
| A. | Electric Intensity |
| B. | Electric potential |
| C. | None of the above |
| D. | Electric flux |
| Answer» C. None of the above | |
| 42. |
What do optical active crystals rotate? |
| A. | Vibrating plane |
| B. | Diffraction plane |
| C. | Interference plane |
| D. | Polarization plane |
| Answer» E. | |
| 43. |
Which physical quantities are measured by gilbert? |
| A. | Magneto motive force |
| B. | Lens optical power |
| C. | Radioactivity |
| D. | Volume of water |
| Answer» B. Lens optical power | |
| 44. |
Why is the machine function well with lubricant? |
| A. | Lubricant induces inertia of the machine |
| B. | Because of viscosity of the lubricant |
| C. | Because of surface tension of the lubricant |
| D. | Lubricant removes moisture |
| Answer» C. Because of surface tension of the lubricant | |
| 45. |
What is the type of the image formed by an object of a compound microscope ? |
| A. | real and enlarged |
| B. | virtual and diminish |
| C. | virtual and enlarged |
| D. | real and diminish |
| Answer» B. virtual and diminish | |
| 46. |
What does addition of a vector obey? |
| A. | All of these |
| B. | Distributive law |
| C. | Commutative law |
| D. | Associative law |
| Answer» B. Distributive law | |
| 47. |
How many seconds are there in 1 year? |
| A. | None of the above |
| B. | 31.536 x 107 s |
| C. | 0.31536 x 107 s |
| D. | 3.1536 x 107 s |
| Answer» E. | |
| 48. |
Which of the following cannot be emitted by radioactive substances during their decay? |
| A. | Helium |
| B. | Protons |
| C. | Electrons |
| D. | Neutrons |
| Answer» C. Electrons | |
| 49. |
What type of force is Frictional force ? |
| A. | Gravitational force |
| B. | conservative force |
| C. | Non-conservative force |
| D. | Constant force |
| Answer» D. Constant force | |
| 50. |
Which one the following has the derived unit? |
| A. | Mass |
| B. | Length |
| C. | Area |
| D. | Time |
| Answer» D. Time | |