Physics Xi Ch2 Test1

Physics XI Scalars and Vectors Test01 1. _______ is the quantity which can be measured and compared. a) Scalar Quantity b) Vector Quantity c) Physical Quantity d) Chemical Quantity 2. Physical quantity is divided into ______. a) Scalar Quantity b) Vector Quantity c) Tensor Quantity d) A.O.T 3. The physical quantity which can be completely defined by only magnitude with suitable unit is known as: a) Scalar b) Vector c) Basic d) Derived 4. The scalars can be represented by …….……letters. a) Greek b) ordinary type c) special d) All of Them 5. Two scalar quantities can be equal if both have: a) same Units b) equal magnitude c) equivalent units d) All of Them 6. The addition, subtraction, multiplication and the division of scalars can be done by: a) Geometry b) Trigonometry c) Basic Algebra d) Both (a) and (b) 7. The number representing any scalar is known as a) Unit b) Magnitude c) Mass d) Vector 8. The scalars can be compared only when they have the: a) same Units b) equal magnitude c) same sign d) All of Them 9. Magnitude of a vector is always treated as: a) non-negative b) negative c) odd number d) even number 10. Density is: a) basic b) Vector c) scalar d) None of These 11. Which of the following is not a vector? a) electric field b) momentum c) kinetic energy d) velocity 12. Identify the scalar quantity. a) kilogram b) force c) distance d) velocity 13. The scalar quantity, which is found by modulus of a vector quantity is always______. a) negative b) even c) positive d) odd 14. The scalar quantity, which is found by dot product of two vectors may be always______. a) negative b) even c) positive d) odd 15. A scalar quantity never be divided by a _____ quantity. a) scalar b) vector c) tensor d) new 16. The magnitude or modulus of a vector quantity is always a _____. a) scalar b) vector c) odd d) new 17. Which of the following quantities can be scalar? a) force b) work c) torque d) velocity 18. Among following, scalar quantity is: a) speed b) entropy c) Calorie d) All of Them 19. Among following, scalar quantity is: a) Mass b) Volume c) length d) All of Them 20. Identify the scalar quantity. a) kilogram b) force c) gravitational potential d) velocity 21. Identify the scalar quantity. a) kilogram b) force c) frequency d) velocity 22. The quantities such as volume, distance, speed, etc are a) scalar b) vector c) odd d) new 23. Identify the scalar quantity. a) kilogram b) force c) temperature d) velocity Engr. Kashif Ali Magsi

Physics XI Scalars and Vectors Test01 24. Energy is a) scalar b) vector c) odd d) new 25. Charge is a) scalar b) vector c) odd d) new 26. Specific heat is a) scalar b) vector c) odd d) new 27. Which of the following is NOT a Scalar? I. Temperature II. Power III. Speed IV. Torque a) IV only b) III only c) II & IV only d) I only 28. The physical quantity which can be completely defined by both direction and magnitude with appropriate unit is called: a) Scalar b) Vector c) Basic d) Tensor 29. A vector quantity has: a) Magnitude b) Direction c) Unit d) All of Them 30. Vector does not obey____. a) division law b) laws of basic algebra c) both (a) & (b) d) cosine law 31. A physical quantity cannot be a vector if it does not obey………. a) Laws of Vector Addition b) Law of Sines c) law of Cosines d) All of Them 32. Vectors can be represented by a) Graphically b) symbolically c) both (a) & (b) d) N.O.T 33. _____can be represented by a directed line segment or arrow head line segment. a) Scalar b) Vector c) Basic d) Tensor 34. The length of arrow shows the ………… of vector. a) Direction b) Unit c) Magnitude d) All of Them 35. Arrow head of line segment shows……………of the vector. a) Direction b) Unit c) Magnitude d) All of Them 36. Initial point of a vector in an arrow is called____. a) magnitude d) head c) tail d) both (a) & (b) 37. Terminal point of a vector in an arrow is called____. a) magnitude d) head c) tail d) both (a) & (b) 38. A ………… can be represent by capital English alphabet letters and a small arrow over it. a) Scalar b) Vector c) Derived Quantity d) Fundamental 39. In symbolically method, the magnitude of a vector can be represented by: a) Giving modulus to vector b) simply English letter c) both (a) and (b) d) Bold Letters 40. A vector B can be represented by ´ B a) ⃗ b) B c) B d) A.O.T 41. The addition, subtraction and multiplication of vectors can be done a) Geometry b) Trigonometry c) Elementary Math d) Both (a) and (b) 42. Modulus or absolute value of a vector is called_____. a) magnitude d) head c) tail d) direction 43. The components which are mutually perpendicular to each other or makes angle of 90 with each other known as_____. a) orthogonal components b) rectangular components c) both (a) & ((b) d) N.O.T 44. The sum of the rectangular components vectors produces the_____. a) unit vectors b) original vector c) Null vector d) N.O.T Engr. Kashif Ali Magsi

Physics XI Scalars and Vectors Test01 45. Ax, Ay and Az are called ____ of the vector ⃗ A a) orthogonal components b) rectangular components c) both (a) & ((b) d) N.O.T 46. Vector ⃗ A can be represented in the rectangular components vectors. a) 𝑨𝒙��+𝑨𝒚�� + 𝑨𝒛�� b) 𝑨𝒙�� −¿ 𝑨𝒚�� +¿ 𝑨𝒛�� c) 𝑨𝒙�� +¿ 𝑨𝒚�� −¿ 𝑨𝒛�� d) 𝑨𝒙+𝑨𝒚 + 𝑨𝒛 47. If ⃗ A = 𝑨𝒙��+𝑨𝒚�� + 𝑨𝒛�� then magnitude of ⃗ A is given by | ⃗ A | = ……………. 2 2 2 2 2 2 a) √ ( Ax) +( Ay) +( Az) b) ( Ax) +( Ay) +( Az)

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c) d) All of Them ( Ax)2+( Ay)2−( Az)2 48. The force vector which has components (-2, 1, 3) is ^ ^j+3 k^ ^ ^j+3 k^ a) 2 i^ + ^j+ 3 k^ b) 2 i^ − ^j−3 ^k c) −2 i+ d) i− ^ ^ 4 ^j+5 k ? 49. What is the numerical value of the vector 3 i+ a) 3 √ 2 b) 5 √ 2 c) 7 √ 2 d) 9 √ 2 50. The x and y components of a force are 2N and -3N. The force is ^ ^j ^ ^j a) 2 i^ −3 ^j b) 2 i^ +3 ^j c) −2 i−3 d) 3 i+2 ⃗ 51. If A = 𝟐��+�� − 𝟐��, then its magnitude will be a) 4 units b) 3 units c) 5 units d) 6 units 52. The x and y component of a vector ⃗ A are respectively 4 and 3 and the magnitude of vector ⃗ A is 5 then z component of vector ⃗ A is: a) 0 b) 1 c) 25 d) 5 53. When a vector is multiplied by a number it remains a ……. quantity. a) Scalar b) Vector c) Basic d) New 54. When a vector is divided by a number it remains a ……. quantity. a) Scalar b) Vector c) Basic d) New 55. Which of the following is not a scalar? a) Density b) Distance c) Volume d) Velocity 56. Which of the following pairs contains one vector and other scalar quantity? a) Electric field, Electric flux b) Velocity, angular momentum c) Work, power d) charge, current 57. Which of the following is not a scalar? a) temperature b) force c) power d) length 58. Weight is a) scalar b) vector c) tensor d) new 59. Electric field intensity is a) scalar b) vector c) tensor d) new 60. _____ is vector quantity. a) magnetic field intensity b) work c) entropy d) density 61. ____is not a scalar. a) charge b) speed c) volume d) shearing stress 62. The quantities such as displacement, acceleration, velocity, etc are a) scalar b) vector c) odd d) new

Engr. Kashif Ali Magsi