Q 1: If the sum of two unit vectors is a unit vector, find the magnitude of their difference. 3 5

Q 2: A, B and C are three collinear points such tat AB = a^ and BC = b^, find vector AC.
vector a + vector b vector a + vector b vector b + vector a

Q 3: _____ is the identity element for vector addition. Zero vector Negative vector Unit vector

Q 4: Find the difference of the vectors 3i+4j+8k and i+5j+2k. ij+k 2i+9j+10k 4ij+6k

Q 5: Find the magnitude and direction of vector a  vector b, when magnitude of vector a is 3 and it points towards the east while magnitude of b is 7 and it points towards the west. 4 10 4

Q 6: If magnitudes of two vectors are equal, are their directions also equal? Yes No

Q 7: Find the sum of 3i+4j+3k, 2i+6j+6k, 5i+3j+8k. 13i+7j+5k 12i+6j+2k 10i+13j+17k

Q 8: If a and b are noncollinear vectors having the same initial point. Which vector is represented by vec a + vec b? it is a zero vector The vector with the same iniial point and forming the diagonal of the parallelogram determined by ve such a vector cannot be formed

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Question 10: This question is available to subscribers only!

