MCQOPTIONS
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MCQOPTIONS
This section includes 103 Mcqs, each offering curated multiple-choice questions to sharpen your Automata Theory knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is not an example of counting argument? |
| A. | Pigeonhole principle |
| B. | Dirichlet’s drawer principle |
| C. | Dirichlet’s box principle |
| D. | None of the mentioned |
| Answer» E. | |
| 2. |
Which of the following can refer a language to be non regular?a) Pumping Lemmab) Myphill Nerodec) Both ( |
| A. | Pumping Lemmab) Myphill Nerodec) Both (a) and ( |
| B. | Myphill Nerode |
| C. | Both (a) and (b) |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 3. |
Pigeonhole principle can be applied in the following computer science algorithms:a) hashing algorithmb) lossless compression algorithmc) both ( |
| A. | hashing algorithmb) lossless compression algorithmc) both (a) and ( |
| B. | lossless compression algorithm |
| C. | both (a) and (b) |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 4. |
State true or false:Statement: Pumping lemma gives a necessary but not sufficient condition for a language to be regular. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 5. |
The time rate of change of velocity of the body is said to be |
| A. | displacement |
| B. | distance |
| C. | acceleration |
| D. | velocity |
| Answer» D. velocity | |
| 6. |
System international unit of power is known as |
| A. | watt |
| B. | kelvin |
| C. | joule |
| D. | candela |
| Answer» B. kelvin | |
| 7. |
The graphs illustrating velocity of the object with time is called |
| A. | velocity-speed graph |
| B. | velocity-time graph |
| C. | speed-time graph |
| D. | velocity-displacement graph |
| Answer» C. speed-time graph | |
| 8. |
When an object is moved in the gravitational field the work done is a |
| A. | work done by a constant force |
| B. | work done by a variable force |
| C. | work done by a gravitational field |
| D. | both a and b |
| Answer» D. both a and b | |
| 9. |
The equation d = r2-r1 is referred to as the body's |
| A. | displacement |
| B. | work |
| C. | speed |
| D. | acceleration |
| Answer» B. work | |
| 10. |
At the surface of the earth where air friction is negligible objects fall with the |
| A. | different acceleration |
| B. | same velocity |
| C. | same acceleration |
| D. | same speed |
| Answer» D. same speed | |
| 11. |
Gain in the kinetic energy is equal to the |
| A. | loss in P.E-work against friction |
| B. | loss in K.E-work against friction |
| C. | loss in P.E + work against friction |
| D. | loss in P.E*work against friction |
| Answer» B. loss in K.E-work against friction | |
| 12. |
Energy from the gravitational field is the energy obtained from |
| A. | wind |
| B. | biomass |
| C. | coal |
| D. | tides |
| Answer» E. | |
| 13. |
The total energy of the body is the sum of |
| A. | kinetic energies |
| B. | potential energies |
| C. | forces |
| D. | both a and b |
| Answer» E. | |
| 14. |
Mass of the object is quantitative measure of its inertia stated law is newton's |
| A. | first law |
| B. | second law |
| C. | third law |
| D. | fourth law |
| Answer» B. second law | |
| 15. |
One joule of work done in one second is called |
| A. | one watt |
| B. | kelvin |
| C. | ampere |
| D. | candela |
| Answer» B. kelvin | |
| 16. |
The angle that lies between two vectors A = 5 + 1 and B = 2 + 4 is |
| A. | 52 |
| B. | 51 |
| C. | 50 |
| D. | 45 |
| Answer» B. 51 | |
| 17. |
Range of the projectile will be minimum when the angle of the projectile is |
| A. | 0 |
| B. | 30 |
| C. | 60 |
| D. | 90 |
| Answer» B. 30 | |
| 18. |
Time rate of change of momentum of a body is equal to |
| A. | displacement |
| B. | applied force |
| C. | speed |
| D. | velocity |
| Answer» C. speed | |
| 19. |
The total momentum of an isolated system |
| A. | remains constant |
| B. | decreases |
| C. | increases |
| D. | doubled |
| Answer» B. decreases | |
| 20. |
2 kg ball moving with the velocity of 5 m/s collides with 4 kg ball at rest then the velocities of both balls after collision will be |
| A. | 2.66 and 3.33 |
| B. | 1.66 and 4.22 |
| C. | 1.66 and 1.33 |
| D. | 1.66 and 3.33 |
| Answer» E. | |
| 21. |
One which is known as a non renewable energy is |
| A. | wind |
| B. | biomass |
| C. | coal |
| D. | tides |
| Answer» D. tides | |
| 22. |
Newton's laws of motion were published in the year of |
| A. | 1687 |
| B. | 1787 |
| C. | 1887 |
| D. | 1987 |
| Answer» B. 1787 | |
| 23. |
Energy cannot be destroyed it changes from one form to another the stated law is known as |
| A. | kinetic energy |
| B. | potential energy |
| C. | conservation of energy |
| D. | conservation principle |
| Answer» D. conservation principle | |
| 24. |
Methanol is a renewable energy when gained from |
| A. | wind |
| B. | biomass |
| C. | coal |
| D. | tides |
| Answer» C. coal | |
| 25. |
No body begins to move or comes to rest itself this statement is given by |
| A. | Isaac newton |
| B. | Abu ali sena |
| C. | al kundi |
| D. | Stephen hawking |
| Answer» C. al kundi | |
| 26. |
The typical rocket consumes fuel on the amount of |
| A. | 8000 kg/s |
| B. | 9000 kg/s |
| C. | 10000 kg/s |
| D. | 11000 kg/s |
| Answer» D. 11000 kg/s | |
| 27. |
At a particular instant the acceleration of the body is called |
| A. | instantaneous acceleration |
| B. | instantaneous velocity |
| C. | instantaneous displacement |
| D. | instantaneous speed |
| Answer» B. instantaneous velocity | |
| 28. |
If the work done is greater than 90 angle then the work will be |
| A. | negative |
| B. | positive |
| C. | zero |
| D. | minimum |
| Answer» C. zero | |
| 29. |
10 bricks each having mass of 1.5 kg with the thickness of 6 cm will have work done to stack the bricks |
| A. | 40J |
| B. | 30J |
| C. | 20J |
| D. | 10J |
| Answer» B. 30J | |
| 30. |
The velocity of the vertically thrown ball with time will be |
| A. | upwards positive |
| B. | downwards negative |
| C. | upwards negative |
| D. | downwards positive |
| Answer» B. downwards negative | |
| 31. |
Acceleration produced in a body is the |
| A. | scalar quantity |
| B. | vector quantity |
| C. | physical quantity |
| D. | both a and b |
| Answer» C. physical quantity | |
| 32. |
The product of force and displacement is known as |
| A. | distance |
| B. | speed |
| C. | work done |
| D. | force |
| Answer» D. force | |
| 33. |
The source of the geothermal energy is |
| A. | sun |
| B. | tides |
| C. | earth |
| D. | air |
| Answer» D. air | |
| 34. |
Basic forms of energy of the body is of |
| A. | 2types |
| B. | 3types |
| C. | 4types |
| D. | 5types |
| Answer» B. 3types | |
| 35. |
If the initial velocity of the body is 10 m/s with acceleration 12 m/s2 at time 2s then final velocity will be |
| A. | 30 m/s |
| B. | 34 m/s |
| C. | 40 m/s |
| D. | 45 m/s |
| Answer» C. 40 m/s | |
| 36. |
If the work done has angle equal to 90 then the work will be |
| A. | positive |
| B. | negative |
| C. | zero |
| D. | maximum |
| Answer» D. maximum | |
| 37. |
The energy in all fossil fuels of earth is less than the energy coming from the sunlight in |
| A. | 5days |
| B. | 10days |
| C. | 15days |
| D. | 20days |
| Answer» C. 15days | |
| 38. |
If d is the displacement of the body in time t then the average velocity will be represented as |
| A. | Vavg = (d/t) |
| B. | Vavg = (t/d) |
| C. | Vavg = (d + t) |
| D. | Vavg = (d-t) |
| Answer» B. Vavg = (t/d) | |
| 39. |
The magnitude of the displacement from initial position to final position is the |
| A. | straight line |
| B. | curved line |
| C. | circle |
| D. | total distance |
| Answer» B. curved line | |
| 40. |
In the history of the earth the more coal has been used since |
| A. | 1930 |
| B. | 1935 |
| C. | 1940 |
| D. | 1945 |
| Answer» E. | |
| 41. |
Newton's law of motions were stated by the scientist named as |
| A. | Isaac newton |
| B. | john newton |
| C. | newton ken |
| D. | Eric newton |
| Answer» B. john newton | |
| 42. |
If the angle of the work done is less than 90° then the work will be |
| A. | negative |
| B. | positive |
| C. | zero |
| D. | both a and b |
| Answer» B. positive | |
| 43. |
The area of the object between velocity-time axis and the time axis is called |
| A. | displacement |
| B. | distance |
| C. | speed |
| D. | distance covered |
| Answer» E. | |
| 44. |
If a body has 200 kg mass and its velocity gets reduced from 25 m/s to 20 m/s in 4s, then average retarding force on a body will be |
| A. | −200N |
| B. | 200N |
| C. | −250N |
| D. | 250N |
| Answer» D. 250N | |
| 45. |
Elastic collision is the collision in which kinetic energy is |
| A. | conserved |
| B. | not conserved |
| C. | increases |
| D. | decreases |
| Answer» B. not conserved | |
| 46. |
The capacity of the body to do the work is known as |
| A. | distance |
| B. | energy |
| C. | work done |
| D. | force |
| Answer» C. work done | |
| 47. |
The average acceleration of the body during time interval t is given by the slope of its |
| A. | velocity-speed graph |
| B. | velocity-time graph |
| C. | speed-time graph |
| D. | velocity-displacement graph |
| Answer» C. speed-time graph | |
| 48. |
Work done on the body equals to the change in its kinetic energy is known as |
| A. | work done principle |
| B. | work-energy principle |
| C. | work-velocity principle |
| D. | speed-displacement principle |
| Answer» C. work-velocity principle | |
| 49. |
The area under the velocity-time graph is equal to the |
| A. | 1/2(VxT) |
| B. | (Vxt) |
| C. | 1/2(V + t) |
| D. | (V + t) |
| Answer» B. (Vxt) | |
| 50. |
Force that is not one of the conservative forces is |
| A. | frictional force |
| B. | gravitational force |
| C. | electric force |
| D. | elastic spring force |
| Answer» B. gravitational force | |