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. |
Who propounded the universal law of gravitation? |
| A. | galileo |
| B. | newton |
| C. | copernicus |
| D. | none of these |
| Answer» C. copernicus | |
| 2. |
What is the force due to which the body is pulled towards the center of the earth? |
| A. | mass |
| B. | impulsive force |
| C. | gravity |
| D. | momentum |
| Answer» D. momentum | |
| 3. |
What is measured by cusecs? |
| A. | water flow |
| B. | water depth |
| C. | water content |
| D. | water purity |
| Answer» B. water depth | |
| 4. |
Pascal is the unit? |
| A. | of pressure |
| B. | of rain |
| C. | of humidity |
| D. | of temperature |
| Answer» B. of rain | |
| 5. |
Einstein was awarded the Nobel Prize for which of the following principles? |
| A. | theory of relativity |
| B. | photoelectric theory |
| C. | The principle of specific heat |
| D. | Brownian theory of motion |
| Answer» C. The principle of specific heat | |
| 6. |
What is the unit of measurement of ampere? |
| A. | Current |
| B. | Resistance |
| C. | Power |
| D. | voltage |
| Answer» B. Resistance | |
| 7. |
What is the pressure exerted by a 760 mm column of mercury at 0°C called? |
| A. | 1 pascal |
| B. | 1 Atmosphere |
| C. | 1 times |
| D. | 1 pose |
| Answer» C. 1 times | |
| 8. |
How is radioactivity measured? |
| A. | Giger-Muller counter |
| B. | Polarmeter |
| C. | Calorie Meter |
| D. | barometer |
| Answer» B. Polarmeter | |
| 9. |
On which principle only fiber optic used in communication works? |
| A. | regular reflection of light |
| B. | radiated reflection of light |
| C. | refraction of light |
| D. | total internal reflection of light |
| Answer» E. | |
| 10. |
The film titled 'The man who knew infinity' is based on whose biography? |
| A. | s. ramanujan |
| B. | s. Chandrashekhar |
| C. | SN boss |
| D. | CV Raman |
| Answer» B. s. Chandrashekhar | |
| 11. |
What is 'God Particle'? |
| A. | neutrino |
| B. | higgs boson |
| C. | mason |
| D. | positron |
| Answer» C. mason | |
| 12. |
Who invented the crescograph? |
| A. | SN boss |
| B. | PC opinion |
| C. | JC boss |
| D. | PC Mahalanobis |
| Answer» D. PC Mahalanobis | |
| 13. |
When a shaving brush is taken out of water, why do its hair stick together? |
| A. | viscosity |
| B. | surface tension |
| C. | friction |
| D. | elasticity |
| Answer» C. friction | |
| 14. |
What are the best and worst conductors of heat respectively? |
| A. | silver and lead |
| B. | copper and aluminum |
| C. | silver and gold |
| D. | copper and gold |
| Answer» B. copper and aluminum | |
| 15. |
For a simple pendulum in simple harmonic motion, which of the following statements is correct? |
| A. | Kinetic energy is maximum at mean position |
| B. | Potential energy is maximum at mean position |
| C. | Acceleration is maximum at mean position |
| D. | none of these |
| Answer» B. Potential energy is maximum at mean position | |
| 16. |
The most common type of radiation energy in solar light, which causes sunburn of the skin in humans, is called? |
| A. | UV radiation |
| B. | visible radiation |
| C. | infrared radiation |
| D. | microwave radiation |
| Answer» B. visible radiation | |
| 17. |
Pressure cooker is better for cooking food at very high altitudes because the boiling point of water is? |
| A. | decreases due to higher atmospheric pressure |
| B. | decreases due to lower atmospheric pressure |
| C. | Increases due to reduced gravitational force |
| D. | Due to the increased amount of ozone in the atmosphere, |
| Answer» C. Increases due to reduced gravitational force | |
| 18. |
Which one of the following pairs does not have the same dimension? |
| A. | potential energy and kinetic energy |
| B. | Density and Specific Density |
| C. | focus distance and height |
| D. | Gravitational Force and Frictional Force |
| Answer» C. focus distance and height | |
| 19. |
What is the unit of power of lens in SI system? |
| A. | Wait |
| B. | opter |
| C. | Diopter |
| D. | newton |
| Answer» D. newton | |
| 20. |
Which one of the following represents minimum temperature? |
| A. | on the 1°C scale |
| B. | 1 on the Kelvin scale |
| C. | on the 1° Fahrenheit scale |
| D. | 1° on the reamer scale |
| Answer» C. on the 1° Fahrenheit scale | |
| 21. |
On what principle does the cooling system (radiator) work in a motor car? |
| A. | driving only |
| B. | radiation only |
| C. | convection only |
| D. | both conduction and radiation |
| Answer» C. convection only | |
| 22. |
If a body is moving in simple harmonic motion, then what will be the phase difference in velocity and acceleration? |
| A. | 0° |
| B. | 90° |
| C. | 180° |
| D. | 270° |
| Answer» C. 180° | |
| 23. |
A body is projected upwards in a vertical direction and it again falls to the ground. Its potential energy? |
| A. | will be maximum on the ground |
| B. | will be maximum at the highest altitude |
| C. | The maximum during the return journey will be |
| D. | will be maximum both on the ground and at the maximum height |
| Answer» C. The maximum during the return journey will be | |
| 24. |
When was the International System of Units introduced? |
| A. | 1965 |
| B. | 1971 |
| C. | 1991 |
| D. | 1985 |
| Answer» C. 1991 | |
| 25. |
A dark skinned person compared to a fair skinned person? |
| A. | will experience less heat and less winter |
| B. | will experience less heat and more cold |
| C. | will experience more heat and less winter |
| D. | will experience more heat and more cold |
| Answer» D. will experience more heat and more cold | |
| 26. |
Light is the unit of intensity? |
| A. | opter |
| B. | candela |
| C. | newton |
| D. | none of these |
| Answer» C. newton | |
| 27. |
In what unit can we measure food energy? |
| A. | joule |
| B. | calories |
| C. | erg |
| D. | none of these |
| Answer» C. erg | |
| 28. |
A coin appears to be raised in a beaker filled with water. What is the reason for this phenomenon? |
| A. | reflection of light |
| B. | Refraction of light |
| C. | Full internal reflection of light |
| D. | interference of light |
| Answer» C. Full internal reflection of light | |
| 29. |
What is the unit of electrical quantity? |
| A. | Om |
| B. | Voltage |
| C. | ampere |
| D. | Wait |
| Answer» D. Wait | |
| 30. |
Time is not a unit of which of the following? |
| A. | light year |
| B. | Leap year |
| C. | lunar month |
| D. | none of these |
| Answer» B. Leap year | |
| 31. |
The fan gives a feeling of comfort in hot weather, because? |
| A. | Our body radiates more heat into the air |
| B. | fan blows cold air |
| C. | air conductivity increases |
| D. | our sweat evaporates quickly |
| Answer» E. | |
| 32. |
A ray of light falls on a transparent glass plate. A part of it is reflected and a part is refracted. Will the reflected and refracted rays be perpendicular to each other? |
| A. | 90° for the angle of incidence |
| B. | for zero incidence angle |
| C. | only for one angle of incidence |
| D. | more than one |
| Answer» D. more than one | |
| 33. |
Are there cosmic rays? |
| A. | charged particles |
| B. | uncharged particle |
| C. | both charged and uncharged |
| D. | none of these |
| Answer» D. none of these | |
| 34. |
Where will the image of an object placed at the center of curvature of a concave mirror be formed? |
| A. | on the main focus |
| B. | between the principal focus and the center of curvature |
| C. | at the center of curvature |
| D. | beyond the center of curvature |
| Answer» D. beyond the center of curvature | |
| 35. |
When are X-rays produced? |
| A. | heat generated at the target |
| B. | heat is absorbed at the target |
| C. | the target temperature remains constant |
| D. | Bright light is seen on target |
| Answer» D. Bright light is seen on target | |
| 36. |
Connected in parallel order, each. What will be the effective resistance of three identical resistors of resistance? |
| A. | 3/r |
| B. | r/3 |
| C. | 3r |
| D. | r3 |
| Answer» C. 3r | |
| 37. |
Magnetic force lines produced by a bar magnet? |
| A. | Magnets intersect inside the body |
| B. | intersects only at neutral points |
| C. | intersects only at the north and south poles |
| D. | can't intersect at all |
| Answer» E. | |
| 38. |
Which of the following pair of rays are electromagnetic in nature? |
| A. | beta-rays and gamma-rays |
| B. | Cathode-Rays and X-Rays |
| C. | alpha-rays and beta-rays |
| D. | X-Rays and Gamma-Rays |
| Answer» E. | |
| 39. |
The ratio of the focal length of the objective to the focal length of the eyepiece is greater than one for |
| A. | neither microscope nor telescope |
| B. | both microscope and telescope |
| C. | Telescope |
| D. | Microscopes |
| Answer» D. Microscopes | |
| 40. |
Who discovered the principle of 'Law of Floating'? |
| A. | newton |
| B. | writer brothers |
| C. | galileo |
| D. | Archimedes |
| Answer» E. | |
| 41. |
One of the characteristics of sound is 'tareness', which depends on its? |
| A. | on intensity |
| B. | at frequency |
| C. | on quality |
| D. | none of these |
| Answer» C. on quality | |
| 42. |
The instrument used for recording and reproducing recorded dictation is called? |
| A. | audiophone |
| B. | dictaphone |
| C. | gramophone |
| D. | microphone |
| Answer» C. gramophone | |
| 43. |
Which of the following devices is used to cool down the engine of motor vehicles? |
| A. | quadrant |
| B. | Radiator |
| C. | polygraph |
| D. | turbine |
| Answer» C. polygraph | |
| 44. |
Cloudy nights are hotter than clear nights due to |
| A. | Green House Effect |
| B. | depletion of ozone layer |
| C. | Atpan |
| D. | terrestrial radiation |
| Answer» E. | |
| 45. |
What is the purpose of thermostat? |
| A. | keep the temperature constant |
| B. | measuring temperature |
| C. | convert heat to electricity |
| D. | raise the temperature |
| Answer» B. measuring temperature | |
| 46. |
Relative Humidity is measured in? |
| A. | by hydrometer |
| B. | by hygrometer |
| C. | by lactometer |
| D. | by potentiometer |
| Answer» C. by lactometer | |
| 47. |
Invention of scooter? |
| A. | Brad Shaw |
| B. | Daimler |
| C. | einstein |
| D. | farmich |
| Answer» B. Daimler | |
| 48. |
What is an instrument that measures the intensity of the sun's rays called? |
| A. | astrometer |
| B. | crescograph |
| C. | actinometer |
| D. | barometer |
| Answer» D. barometer | |
| 49. |
Which of the following is used to measure height? |
| A. | barometer |
| B. | plani meter |
| C. | altimeter |
| D. | hydrometer |
| Answer» D. hydrometer | |
| 50. |
Nobel Prize started in the name of Alfred Nobel who discovered? |
| A. | of airplane |
| B. | of telephone |
| C. | safety lamp key |
| D. | of dynamite |
| Answer» E. | |