1st Year Physics Chapter 2 Test02. Vectors

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

1. Vector product of two parallel vectors is:
   1. AB
   2. AB sin 90°
   3. Zero
   4. Undefined
2. A physical quantity that has both magnitude and direction is called:
   1. Scalar
   2. Vector
   3. Constant
   4. Unit quantity
3. Scalar product of antiparallel vectors is:
   1. Negative
   2. Positive
   3. Zero
   4. Undefined
4. The cross product of two vectors A and B is equal to:
   1. AB cos θ
   2. AB sin θ n̂
   3. A/B
   4. 0 always
5. If a vector A makes angle θ with the horizontal, its x-component Ax is:
   1. A sin θ
   2. A tan θ
   3. A cos θ
   4. A/ sin θ
6. The y-component of a vector making angle θ is:
   1. A sin θ
   2. A cos θ
   3. A tan θ
   4. A cot θ
7. The magnitude of the cross product gives:
   1. Area of triangle
   2. Area of parallelogram
   3. Volume
   4. Length only
8. The direction of a vector is found using:
   1. cos θ = Ax/A
   2. tan θ = Ay/Ax
   3. sin θ = Ax/A
   4. tan θ = Ax/Ay
9. Vector product of two vectors is:
   1. Always scalar
   2. Always vector
   3. Sometimes scalar
   4. Unitless
10. The component of a vector along the x-axis is called:
    1. Vertical component
    2. Projection component
    3. Resultant
    4. Horizontal component