# Chapter 8: Vector Algebra I - Online Test

Q1. The value of   is
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Q2. If  are parallel, then the value of m is
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Q3. The unit vector parallel to the resultant of the vectors iˆ + jˆ − kˆ and iˆ − 2 jˆ + kˆ is
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Q4. A vector  makes 60° and 45° with the positive direction of the x and y axes respectively. Then the angle between  and the z-axis is
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Q5. If = 3iˆ + 2 jˆ + kˆ and the position vector of B is iˆ + 3jˆ − kˆ, then the position vector A is
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Q6. A vector makes equal angle with the positive direction of the coordinate axes. Then each angle is equal to
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Q7. The vectors  are
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No Explaination.

Q8. If ABCD is a parallelogram, then  is equal to
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Q9. One of the diagonals of parallelogram ABCD with   and  as adjacent sides is  + . The other diagonal  is
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Q10. If   , are the position vectors A and B, then which one of the following points whose position vector lies on AB, is
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