Statement I : A null vector is a vector whose magnitude is zero and direction is arbitrary.
Statement II : A null vector does not exist.

Moderate

A

If both statement I and statement II are true and statement II is the correct explanation of statement I.
B

If both statement I and statement II are true but statement II is not the correct explanation of statement I.
C

If statement I is true but statement II is false.
D

If both statement I and statement II are false.

Solution

If two vectors equal in magnitude are in opposite direction, then their sum will be a null vector.
A null vector has direction which is intermediate (or depends on direction of initial vectors) even its magnitude is zero.

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