Q1 when a scalar quantity multiplied with a vector quantity, then the direction of the product is
- a) Opposite direction to vector quantity
- b) Same direction to vector quantity
- c) Perpendicular to the direction of vector quantity
- d) None
- b) Same direction to vector quantity
Q2 when a vector quantity velocity is multiplied with a scalar quantity time then a new product form is
- a) Linear momentum
- b) Velocity vector
- c) Distance
- d) Displacement
- d) Displacement
Q3 Unit vector has no sense of direction (T/F)
- a) True
- b) False
- b) False
Q4 When two vectors in the same direction are added, the magnitude of resulting vector is equal to _______
- a) Sum of magnitudes of the vectors
- b) Difference of magnitudes of the vectors
- c) Product of magnitudes of the vectors
- d) Sum of the roots of magnitudes of the vectors
- a) Sum of magnitudes of the vectors
Q5 On adding two vectors we get _____
- a) A vector
- b) A scalar
- c) A number
- d) An operation
- a) A vector
Q6 Laws of algebra can be used to add Vectors..
- a) True
- b) False
- b) False
Q7 The resultant of two vectors P and Q acting (such that P>Q ) along in a straight line, but in opposite direction is :-
- (a) P + Q
- (b) P – Q
- (c) P / Q
- (d) Q / P
- (b) P – Q
Q8 The resultant of two equal vectors P making an angle θ is given by :-
- a) `2PSin\frac{θ}{2}`
- b) `PSin\frac{θ}{2}`
- c) `PCos\frac{θ}{2}`
- d) `2PCos\frac{θ}{2}`
- d) `2PCos\frac{θ}{2}`
Q9. The resultant of two forces each equal to P and acting at right angles is
- a) `\sqrt{\frac{P}{2}}`
- b) `\sqrt{\frac{2}{P}}`
- c) `\sqrt 2{P}`
- d) None of these
- c) `\sqrt 2{P}`
Q10 Magnitude of null vector is
- a) 1
- b) 0
- c) 90
- d) 180
- b) 0
