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. |
Which of the following has the least penetrating power? |
| A. | alpha particles |
| B. | beta particles |
| C. | None of these |
| D. | gama particles |
| Answer» B. beta particles | |
| 2. |
What does Cryogenic engines relate to ? |
| A. | washing machine |
| B. | frost free refrigerator |
| C. | sub-marine propulsion |
| D. | rocket technology |
| Answer» E. | |
| 3. |
Why these days most of buildings are made by having at least two layers of walls with a gap in between? |
| A. | it helps in keeping the inside cooler in summer and warmer in winter |
| B. | it makes the building stronger |
| C. | it prevents see page from outside |
| D. | it protects the building from lightning |
| Answer» B. it makes the building stronger | |
| 4. |
What is Wheatstone bridge circuit used to determine? |
| A. | All of these |
| B. | Resistance |
| C. | Voltage |
| D. | Current |
| Answer» C. Voltage | |
| 5. |
What is the formation of three dimension image by interference of two light beams from the laser or other coherent source of light called? |
| A. | radiography |
| B. | optical photography |
| C. | holography |
| D. | X-ray photography |
| Answer» D. X-ray photography | |
| 6. |
How a table cloth can be pulled from a table without dislodging the dishes? |
| A. | Newton's second law |
| B. | Graham's law of diffusion |
| C. | Archimede's principle |
| D. | Newton's first law |
| Answer» E. | |
| 7. |
What does the amplitude of an oscillating simple pendulum decreases gradually with? |
| A. | None of the above |
| B. | Time |
| C. | Momentum |
| D. | Movement |
| Answer» C. Momentum | |
| 8. |
Which one of the following pairs of rays is electromagnetic in nature? |
| A. | Infrared rays and X-rays |
| B. | Alpha rays and cosmic rays |
| C. | Alpha rays and X-rays |
| D. | Infrared rays and beta rays |
| Answer» B. Alpha rays and cosmic rays | |
| 9. |
How is spring constant of each part affected when spring is cut in to two pieces? |
| A. | Doubled |
| B. | Remain same |
| C. | May be or not change |
| D. | Constant |
| Answer» B. Remain same | |
| 10. |
What is the most familiar form of radiant energy in sunlight that cause tanning and has the potential for causing melanoma in humans called? |
| A. | microwave radiation |
| B. | visible radiation |
| C. | infra-red radiation |
| D. | ultra-violet radiation |
| Answer» E. | |
| 11. |
Why a coin immersed in water pond appears to be raised when view from the top ? |
| A. | Reflection of light |
| B. | Refraction of light |
| C. | Total internal reflection of light |
| D. | Scattering of light |
| Answer» C. Total internal reflection of light | |
| 12. |
What is the color when the light is passed through a prism that deviates least ? |
| A. | violet |
| B. | red |
| C. | green |
| D. | blue |
| Answer» C. green | |
| 13. |
How many bones are there in human foot ? |
| A. | 26 bones |
| B. | 27 bones |
| C. | 20 bones |
| D. | 21 bones |
| Answer» B. 27 bones | |
| 14. |
Which energy does a Compressed spring has? |
| A. | Elastic potential energy |
| B. | Elastic energy |
| C. | Potential energy |
| D. | Kinetic energy |
| Answer» B. Elastic energy | |
| 15. |
Which one is nearly monochromatic light? |
| A. | Light from fluorescent bulb |
| B. | Light from sodium lamp |
| C. | Light from neon lamp |
| D. | Light from simple lamp |
| Answer» C. Light from neon lamp | |
| 16. |
What is unit of The angular velocity? |
| A. | Meter |
| B. | Steradian |
| C. | Radian |
| D. | rev per min |
| Answer» E. | |
| 17. |
Which one of the following phenomena shows particle nature of light? |
| A. | Refraction |
| B. | Photo-electric effect |
| C. | Polarisation |
| D. | Interference |
| Answer» C. Polarisation | |
| 18. |
Which is the desert mammal that drinks least amount of water? |
| A. | Alligator |
| B. | Horse |
| C. | Camel |
| D. | Desert hawk |
| Answer» D. Desert hawk | |
| 19. |
How much time does Geo-stationary satellite takes to complete one rotation around earth? |
| A. | 8 hours |
| B. | 3 hours |
| C. | 24 hours |
| D. | 6 hours |
| Answer» D. 6 hours | |
| 20. |
How does common soap used in washing work? |
| A. | increasing the viscosity of water |
| B. | increasing the surface tension of water |
| C. | reducing the surface tension of water |
| D. | reducing the viscosity of water |
| Answer» D. reducing the viscosity of water | |
| 21. |
When are the type of bodies for collision between two bodies be elastic ? |
| A. | Soft and elastic |
| B. | Hard and elastic |
| C. | Solid and hard |
| D. | solid and soft |
| Answer» D. solid and soft | |
| 22. |
Which one of the following causes the visibility of sun a little before it rises and a little after itsets below the horizontal line? |
| A. | Total internal reflection |
| B. | Refraction |
| C. | Dispersion |
| D. | Scattering of light |
| Answer» C. Dispersion | |
| 23. |
Who gave the first evidence of Big-bang theory? |
| A. | Albert Einstein |
| B. | Edwin Hubble |
| C. | Stephen Hawking |
| D. | S Chandrashekhar |
| Answer» C. Stephen Hawking | |
| 24. |
Which one of the following phenomena is associated with the fire flies giving cold light in night? |
| A. | Effervescence |
| B. | Phosphorescence |
| C. | Fluorescence |
| D. | Chemiluminescence |
| Answer» E. | |
| 25. |
What are the waves in which particles of the medium vibrate parallel to direction of motion called? |
| A. | None of the above |
| B. | Longitudinal waves |
| C. | Transverse waves |
| D. | Stationary waves |
| Answer» C. Transverse waves | |
| 26. |
Which one among the following satellites is used to reflect the radio-signals back to the Earth? |
| A. | None of these |
| B. | Actice satellite |
| C. | Natural satellite |
| D. | Passive satellite |
| Answer» E. | |
| 27. |
Which of the following converts heat energy into mechanical energy? |
| A. | Steam engine |
| B. | Microphone |
| C. | Loudspeaker |
| D. | Generator |
| Answer» B. Microphone | |
| 28. |
Which physical quantities are measured by Becquerel? |
| A. | Lens optical power |
| B. | Radioactivity or x-ray |
| C. | Magneto motive force |
| D. | Force |
| Answer» C. Magneto motive force | |
| 29. |
When is a body is in a static equilibrium ? |
| A. | at rest |
| B. | moving with uniform velocity |
| C. | moving with uniform acceleration |
| D. | moving with variable velocity |
| Answer» B. moving with uniform velocity | |
| 30. |
When does the average power and instantaneous power become equal when work is done at? |
| A. | Any rate |
| B. | Constant rate |
| C. | Variable rate |
| D. | Uniform rate |
| Answer» E. | |
| 31. |
Which one is electromagnetic wave? |
| A. | Both radio and sound |
| B. | Microwaves |
| C. | Radio waves |
| D. | Sound wave |
| Answer» B. Microwaves | |
| 32. |
Which one of the following is used to determine the age of human fossils? |
| A. | Water content of the fossil |
| B. | softness of the fossil |
| C. | Density determination of fossil |
| D. | Radiocarbon dating |
| Answer» E. | |
| 33. |
What are numbers are expressed in standard form called? |
| A. | None of the above |
| B. | Scientific Notation |
| C. | Algebraic Notation |
| D. | Mathematical Notation |
| Answer» C. Algebraic Notation | |
| 34. |
Which metal pollutes the air of a big city? |
| A. | Cadmium |
| B. | Chromium |
| C. | Copper |
| D. | Lead |
| Answer» E. | |
| 35. |
What provides the necessary acceleration in case of planets ? |
| A. | Coulomb force |
| B. | Centripetal force |
| C. | Frictional force |
| D. | Gravitational force |
| Answer» E. | |
| 36. |
What is the Angular momentum of the universe ? |
| A. | Unidirectional |
| B. | Circular |
| C. | Semicircular |
| D. | Constant |
| Answer» E. | |
| 37. |
Why soap helps in the cleaning of clothes? |
| A. | of some other reason |
| B. | it reduces surface tension |
| C. | it increasessurface tension |
| D. | it absorbs dirt |
| Answer» C. it increasessurface tension | |
| 38. |
Which one of the following is responsible for the energy release by stars? |
| A. | Gravitational collapse |
| B. | Fusion |
| C. | Fission |
| D. | Chemical reaction |
| Answer» C. Fission | |
| 39. |
What are Amalgams ? |
| A. | highly coloured alloys |
| B. | alloys which contain mercury as one of the contents |
| C. | alloys which contain carbon |
| D. | alloys which have great resistance to abrasion |
| Answer» C. alloys which contain carbon | |
| 40. |
What is the direction of propagation of light ray ? |
| A. | Parallel to the plane wave front |
| B. | Perpendicular to the wave front |
| C. | Parallel to the wave front |
| D. | Independent of the plane of the wave front |
| Answer» C. Parallel to the wave front | |
| 41. |
Which type of source is geothermic? |
| A. | Stable |
| B. | Non-renewable |
| C. | All of these |
| D. | Renewable |
| Answer» E. | |
| 42. |
What is the nature of a mirror that produces magnified erect image of an object? |
| A. | convex |
| B. | concave |
| C. | Neither convex nor concave |
| D. | plane |
| Answer» C. Neither convex nor concave | |
| 43. |
What is a usual path of a projectile ? |
| A. | None of above |
| B. | Parabola |
| C. | Hyperbola |
| D. | Straight line |
| Answer» C. Hyperbola | |
| 44. |
Which of the following elements is not present abundantly in earth's crust? |
| A. | Carbon |
| B. | Silicon |
| C. | Radium |
| D. | Aluminum |
| Answer» E. | |
| 45. |
Which one is scalar quantity? |
| A. | Acceleration |
| B. | Velocity |
| C. | All of these |
| D. | Speed |
| Answer» E. | |
| 46. |
What is observed when two balloons are blown into spherical shape of unequal size and are connected through a narrow tube? |
| A. | The smaller balloon becomes bigger |
| B. | The bigger balloon becomes smaller |
| C. | There is no change in their size |
| D. | The smaller becomes smaller and the bigger becomes bigger |
| Answer» E. | |
| 47. |
What is the resultant if vector A and B are parallel to each other ? |
| A. | None of the above |
| B. | A / B |
| C. | A x B |
| D. | A + B |
| Answer» E. | |
| 48. |
What is the motion of projection of a body moving in a circle on diameter with constant speed ? |
| A. | Vibratory |
| B. | S.H.M |
| C. | All of these |
| D. | Oscillatory |
| Answer» C. All of these | |
| 49. |
What will happen to the room if a door of running refrigerator is kept open in a closed room ? |
| A. | It will make the temperature go up and down |
| B. | It cool the room |
| C. | It will heat the room |
| D. | it will make no difference on the average |
| Answer» D. it will make no difference on the average | |
| 50. |
What is full form of ERG ? |
| A. | None of the above |
| B. | Energy radio graph |
| C. | Electric retino graphy |
| D. | Electro radio graphy |
| Answer» D. Electro radio graphy | |