NEET Physics Vectors MCQs Set A

a) Magnitude, direction, and addition, subtraction multiplication and division by vector laws

b) Magnitude, direction and combination of vectors by ordinary rules of algebra

c) Magnitude and addition, subtraction, multiplication by ordinary rules of algebra

d) Magnitude and direction

Answer: Magnitude, direction, and addition, subtraction multiplication and division by vector laws

Question:

a) 0°

b) 180°

c) 90°

d) Same in all cases

Answer: 0°

Question: How many minimum number of vectors in different planes can be added to give zero resultant?

a) 4

b) 5

c) 3

d) 2

Answer:  4

Question:

a)

b)

c)

d)

Answer:

Question:

a)

b)

c)

d) None of these

Answer:

Question:

a)

b)

c) –1

d) 0

Answer:

Question:

a)

b)

c)

d)

Answer:

Question:

a)

b)

c)

d)

Answer:

Question:  The unit vectors along the three co-ordinate axes are related as

a)

b)

c)

d)

Answer:

Question:

a) 45°

b) 180°

c) 0°

d) 90°

Answer:  45°

 More Questions.............................................

Question: Acceleration due to gravity

a) polar vector

b) a scalar

c) a vector

d) None of these

Answer: polar vector

Question: The resultant of A × 0 will be equal to

a) zero vector

b) zero

c) A

d) unit vector

Answer:  zero vector

Question:  In a clockwise system

a)

b)

c)

d) None of these

Answer:

Question:

a)

b)

c)

d)

Answer:

Question:  Consider the following statements and select the correct statements from the following.
I. Addition and subtraction of scalars make sense only for quantities with same units
II. Multiplication and division of scalars with different units is possible
III. Addition, subtraction, multiplication and division of scalars with same unit is possible

a) I, II and III

b) II and III

c) I and II

d) I and III

Answer:  I, II and III

Question:

a) I and II

b) II and III

c) I only

d) I and III

Answer: I and II

Question: It is found that | A + B | = | A |. This necessarily implies,

a) A and B are antiparallel

b) A and B are perpendicular

c) B = 0

d) A.B < 0

Answer:  A and B are antiparallel

Question:  Which of the following statements is/are incorrect?
I. A scalar quantity is the one that is conserved in a process.
II. A scalar quantity is the one that can never take negative values.
III. A scalar quantity has the same value for observers with different orientations of the axes.

a) I and II

b) II only

c) I and III

d) II and III

Answer: I and II

Question:  For the figure, which of the following is correct?

a)

b)

c)

d)

Answer:

Question:

a)

b)

c)

d)

Answer:

Question:

a) I and III

b) I and II

c) II and III

d) I, II and III

Answer: I and III

Question:

a)

b)

c)

d)

Answer:

Question:

a)

b)

c)

d)

Answer:

Question:

a)

b)

c)

d)

Answer:

Question:  Two vectors A and B lie in a plane, a third vector C lies outside this plane, the sum of these vectors A + B + C

a) can never be zero

b) can be zero

c)

d)

Answer:  can never be zero

Question:  ABCDEF is a regular hexagon. The centre of hexagon is a point O. Then the value of

a)

b)

c)

d) Zero

Answer:

Question:

a)

b)

c)

d) None of these

Answer:

Question:

a) –1/2

b) 1

c) –1

d) 1/2

Answer:  –1/2

Question:

a)

b)

c)

d)

Answer:

Question:

a)

b)

c)

d) 5

Answer:

Question:

a)

b)

c) 13.5 units

d) 38.7 units

Answer:

Question:

a)

b)

c)

d)

Answer:

Question:

a)

b)

c)

d)

Answer:

Question:

a) None of these

b)

c)

d)

Answer:   None of these

Question:

a) perpendicular to the position vector

b) parallel to the position vector

c) directed away from the origin

d) directed towards the origin

Answer: perpendicular to the position vector