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. |
Force of impact is the force |
| A. | by the objects weight |
| B. | by the speed of the object |
| C. | when the objects meet |
| D. | None of the above |
| Answer» D. None of the above | |
| 2. |
For which one of the following does the centre of mass lie outside the body? |
| A. | A fountain pen |
| B. | A cricket ball |
| C. | A ring |
| D. | A book |
| Answer» D. A book | |
| 3. |
For which one of the following, 'Diodes' are generally used for? |
| A. | Rectification |
| B. | Amplification |
| C. | Modulation |
| D. | Filtration |
| Answer» B. Amplification | |
| 4. |
For which of the following game, players must have the knowledge of Pascal's law? |
| A. | Climbing |
| B. | Paragliding |
| C. | Rafting |
| D. | Scuba diving |
| Answer» E. | |
| 5. |
For what is Radiocarbon dating technique used? |
| A. | To estimate soil contamination |
| B. | To estimate the amount of water in fossils |
| C. | To estimate the age of fossils |
| D. | To estimate the quality of soil |
| Answer» D. To estimate the quality of soil | |
| 6. |
For what is Mohs scale used? |
| A. | To measure brightness of a substance |
| B. | To measure viscosity of a liquid |
| C. | To measure elasticity of a material |
| D. | To measure hardness of minerals |
| Answer» E. | |
| 7. |
For photoelectric effect to take place, the metal used as the cathode should have_________ |
| A. | high melting point |
| B. | low melting point |
| C. | Low work function |
| D. | low resistance |
| Answer» D. low resistance | |
| 8. |
For Gamma radiation, what stops its penetrating abilities? |
| A. | Lead |
| B. | Steal |
| C. | Concrete |
| D. | All of the above |
| Answer» E. | |
| 9. |
For every action, there is an equal and opposite reaction, is Newton's |
| A. | First law |
| B. | Second law |
| C. | Third law |
| D. | Fourth law |
| Answer» D. Fourth law | |
| 10. |
For an ideal gas, which one of the following statements does not hold true? |
| A. | The speed of all gas molecules is same |
| B. | The kinetic energies of all gas molecules are not same |
| C. | The potential energy of the gas molecules is zero |
| D. | There is no interactive force between the molecules. |
| Answer» B. The kinetic energies of all gas molecules are not same | |
| 11. |
For accurate scientific work, temperatures are often measured by |
| A. | mercury thermometers |
| B. | alcohol thermometers |
| C. | platinum resistance thermometers |
| D. | thermoelectric thermometers |
| Answer» D. thermoelectric thermometers | |
| 12. |
For a certain reaction,DGq = -45 kJ/mol and DHq= -90 kJ/mol at 0°C. What is the minimum temperature at which the reaction will become spontaneous, ifDHq and DSq are independent of temperature? |
| A. | 273 K |
| B. | 298 K |
| C. | 546 K |
| D. | 596 K |
| Answer» D. 596 K | |
| 13. |
For a body moving with uniform acceleration its final velocity equals _________________. |
| A. | average velocity - initial velocity |
| B. | 2 x average velocity - initial velocity |
| C. | 2 x average velocity + initial velocity |
| D. | average velocity + initial velocity |
| Answer» C. 2 x average velocity + initial velocity | |
| 14. |
Fog is an example of a |
| A. | liquid dispersed in gas |
| B. | solid dispersed in liquid |
| C. | liquid dispersed in solid |
| D. | gas dispersed in liquid |
| Answer» B. solid dispersed in liquid | |
| 15. |
Find the work done (in J) when a charge of 24 C moves across a potential difference of 6 V. |
| A. | 4 |
| B. | 72 |
| C. | 8 |
| D. | 144 |
| Answer» E. | |
| 16. |
Fish and other aquatic creatures can live inside a deep frozen pond because |
| A. | fish are cold-blooded animals |
| B. | ice is a bad conductor of heat |
| C. | there will always be water just beneath the ice level |
| D. | they can adapt themselves to live in ice |
| Answer» D. they can adapt themselves to live in ice | |
| 17. |
Find the work done (in J) when a charge of 20 C moves across a potential difference of 4 V._x005F_x000D_ Â _x005F_x000D_ |
| A. | 5 |
| B. | 40 |
| C. | 80 |
| D. | 10 |
| Answer» D. 10 | |
| 18. |
Find the resistance (in mega Ω) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200 Ωm. |
| A. | 40 |
| B. | 4000 |
| C. | 80 |
| D. | 2000 |
| Answer» B. 4000 | |
| 19. |
Find the resistance (in mega Ω) of a wire of length 10 m, cross sectional area 1 cm2 and made of a material of resistivity 100 Ωm._x005F_x000D_ |
| A. | 1000_x005F_x000D_ |
| B. | 20_x005F_x000D_ |
| C. | 500_x005F_x000D_ |
| D. | 10 |
| Answer» E. | |
| 20. |
Find the power of a convex lens if the image formed is at a distance of 25 cm from the lens when the object is placed on the other side of the lens at 12Â cm from the optical centre? |
| A. | -4.33 diopters |
| B. | 12.33 diopters |
| C. | -12.33 diopters |
| D. | 4.33 diopters |
| Answer» C. -12.33 diopters | |
| 21. |
Find the resistance (in mega ohm) of a wire of length 8 m, cross sectional area 2 sq.cm and made of a material of resistivity 120 ohm m. |
| A. | 1920 |
| B. | 4.8 |
| C. | 2.4 |
| D. | 960 |
| Answer» C. 2.4 | |
| 22. |
Find the power of a convex lens if the image formed is at a distance of 20 cm from the lens when the object is placed on the other side of the lens at 25Â cm from the optical centre? |
| A. | 1 diopters |
| B. | -9 diopters |
| C. | 9 diopters |
| D. | -1 diopters |
| Answer» D. -1 diopters | |
| 23. |
Find the power of a convex lens if the image formed is at a distance of 16 cm from the lens when the object is placed on the other side of the lens at 20 cm from the optical centre? |
| A. | -3.75 diopters |
| B. | -11.25 diopters |
| C. | 3.75 diopters |
| D. | 11.25 diopters |
| Answer» E. | |
| 24. |
Find the power of a convex lens if the image formed is at a distance of 10 cm from the lens when the object is placed on the other side of the lens at 40Â cm from the optical centre? |
| A. | 12.5 diopters |
| B. | 7.5 diopters |
| C. | -12.5 diopters |
| D. | -7.5 diopters |
| Answer» B. 7.5 diopters | |
| 25. |
Find the potential energy gained by a body of mass 60 kg, if it is raised by 12 m. (use g = 10 m/s2)_x005F_x000D_ |
| A. | 7200 |
| B. | 50 |
| C. | 3600 |
| D. | 25 |
| Answer» B. 50 | |
| 26. |
Find the potential energy gained by a body of mass 50 kg, if it is raised by 10m. (use g = 10 m/s2) |
| A. | 50 |
| B. | 5000 |
| C. | 2500 |
| D. | 25 |
| Answer» C. 2500 | |
| 27. |
Find the potential energy gained by a body of mass 25 kg, if it is raised by 5 m. (use g = 10 m/s2) |
| A. | 1250 |
| B. | 50 |
| C. | 625 |
| D. | 25 |
| Answer» B. 50 | |
| 28. |
Find the kinetic energy (in J) possessed by a body of mass 10 kg moving with a velocity of 5 m/s. |
| A. | 25 |
| B. | 125 |
| C. | 62.5 |
| D. | 50 |
| Answer» C. 62.5 | |
| 29. |
Find the position of the image formed by a concave mirror when the object is placed between P and F? |
| A. | At infinity |
| B. | Between F and C |
| C. | Behind the mirror |
| D. | Beyond C |
| Answer» D. Beyond C | |
| 30. |
Find the current (in A) when a charge of 500 Coulomb flows in 25 seconds. |
| A. | 12500 |
| B. | 20 |
| C. | 40 |
| D. | 6250 |
| Answer» C. 40 | |
| 31. |
Find the current (in A) when a charge of 1200C flows in 6 seconds. |
| A. | 7200 |
| B. | 200 |
| C. | 100 |
| D. | 3600 |
| Answer» C. 100 | |
| 32. |
Find the acceleration (in m/s2) produced in a body of mass 4 kg when a force of 24 N is applied on it. |
| A. | 96 |
| B. | 6 |
| C. | 12 |
| D. | 48 |
| Answer» C. 12 | |
| 33. |
Find the acceleration (in m/s2) produced in a body of mass 3 kg when a force of 6N is applied on it._x005F_x000D_ |
| A. | 18 |
| B. | 4 |
| C. | 2 |
| D. | 36 |
| Answer» D. 36 | |
| 34. |
Find the acceleration (in m/s2) of a body which accelerates from 25 m/s to 30 m/s in 10 seconds |
| A. | 5.5 |
| B. | 1 |
| C. | 11 |
| D. | 0.5 |
| Answer» E. | |
| 35. |
Find the acceleration (in m/s2) of a body which accelerates from 15 m/s to 40 m/s in 2 seconds._x005F_x000D_ |
| A. | 12.5 |
| B. | 27.5_x005F_x000D_ |
| C. | 25 |
| D. | 55 |
| Answer» B. 27.5_x005F_x000D_ | |
| 36. |
Find the acceleration (in m/s2) of a body which accelerates from 10 m/s to 20 m/s in 4 seconds. |
| A. | 7.5 |
| B. | 15 |
| C. | 5 |
| D. | 2.5 |
| Answer» E. | |
| 37. |
Fill in the blank with the most appropriate option._x005F_x000D_ Â _x005F_x000D_ The Universal Constant of Gravitation is ___._x005F_x000D_ |
| A. | 6.67 x 1010 Nm2/kg2 |
| B. | 6.67 x 10-10 Nm2/kg2 |
| C. | 6.67 x 10-11 Nm2/kg2 |
| D. | 9.8Â Nm2/kg2 |
| Answer» D. 9.8Â Nm2/kg2 | |
| 38. |
Find arc elasticity of demand, if quantity demanded falls from 1000 to 950 when price of the item is increased from Rs. 240 to Rs. 280? |
| A. | 0.33 |
| B. | 0.3 |
| C. | -0.3 |
| D. | -0.33 |
| Answer» E. | |
| 39. |
Fill in the blank with the most appropriate option._x005F_x000D_ Â _x005F_x000D_ 18 volts = ___ x 3 ohms_x005F_x000D_ |
| A. | 6 amperes |
| B. | 6 watts |
| C. | 6 milliamperes |
| D. | 6 joules |
| Answer» B. 6 watts | |
| 40. |
Fill in the blank with the correct option._x005F_x000D_ A body is thrown vertically upwards. During its rise the Potential Energy .......... and Kinetic energy .............._x005F_x000D_ |
| A. | decreases, decreases |
| B. | increases, decreases |
| C. | remains same, remains same |
| D. | decreases, increases |
| Answer» C. remains same, remains same | |
| 41. |
Filament of electric bulb is made of _____. |
| A. | Magnesium |
| B. | Lead |
| C. | Tin |
| D. | Tungsten |
| Answer» E. | |
| 42. |
Farad is unit of ___________. |
| A. | Capacitance |
| B. | Reactance |
| C. | Electric charge |
| D. | Electric conductance |
| Answer» B. Reactance | |
| 43. |
Fat can be seperated from milk in a cream seperator because of : |
| A. | Cohesive Force |
| B. | Gravitational Force |
| C. | Centripetal Force |
| D. | Centrifugal Force |
| Answer» E. | |
| 44. |
Exerts a force on anything that has an electric charge |
| A. | Electric field |
| B. | Electrostatic force |
| C. | Inductive field |
| D. | All of the above |
| Answer» B. Electrostatic force | |
| 45. |
Every hot object emits _________________ |
| A. | X -Â rays |
| B. | Visible light |
| C. | Infrared rays |
| D. | Ultraviolet rays |
| Answer» D. Ultraviolet rays | |
| 46. |
Even after sunset, the air near the Earth's surface continue to receive heat due to |
| A. | Insolation |
| B. | Terrestrial Radiation |
| C. | Conduction |
| D. | Convection |
| Answer» C. Conduction | |
| 47. |
Erg cross Sec is the unit of |
| A. | Angular momentum |
| B. | Linear Momentum |
| C. | Planck's constant |
| D. | Energy |
| Answer» D. Energy | |
| 48. |
Energy stored in the nucleus of an atom is called |
| A. | Nuclear energy |
| B. | Atomic energy |
| C. | Potential energy |
| D. | Kinetic energy |
| Answer» B. Atomic energy | |
| 49. |
Energy is continuously generated in the sun due to |
| A. | Nuclear fusion |
| B. | Nuclear fission |
| C. | Radioactivity |
| D. | Artificial radioactivity |
| Answer» B. Nuclear fission | |
| 50. |
Energy possessed by an object by its position or configuration is called |
| A. | Kinetic energy |
| B. | Nuclear energy |
| C. | Potential energy |
| D. | Electrical energy |
| Answer» D. Electrical energy | |