Question

. Which of the following operations will not change a
vector?
(a) Rotation in its own plane
(b) Rotation perpendicular to its plane
(c) Rotation about the tail
(d) None of these​

Answer 1

Answer:

d- None of these...

Explanation:

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Answer 2

Answer:

The right answer to the question is (d): None of these.

Explanation:

• The quantity having both magnitude and direction is known as the vector.
• It is represented by an arrow.
• The vector does not have a position.
• When the magnitude or the direction changes, the vector also changes.
• The magnitude of the vector changes when the vector is multiplied by a scalar quantity, hence vector is changed.
• The direction changes when the vector is rotated by a particular angle, thus changing the vector.
• But in the given options i.e, rotation in its own plane, rotation perpendicular to its plane, rotation about the tail, there is no change in the angle and hence no change in direction, resulting in no change in the vector.

Thus, none of the given operations will change the vector.