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If hati and hatj are unit vectors along ...

If `hati and hatj` are unit vectors along x and y axes respectively then the angle made by (`hati+hatj)` vector with the x-axis is …….. [Fill in the blanks]

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CHHAYA PUBLICATION-VECTOR-EXERCISE (Very Short Answer Type Questions)
  1. What is a free vector ?

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  2. what are orthogonal unit vectors ?

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  3. What is the position vector of the origin of a coordinate system ?

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  4. Magnitude of the resultant of two vectors is minimum when they are ……...

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  5. The resultant of two vectors of magnitudes 3 units and 4 units 5 units...

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  6. If an acceleration acts on a moving object along the direction of moti...

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  7. Value of the resultant of (vecA+vecB) and (vecA-vecB) is ……… [Fill in ...

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  8. If |vecv1+vecv2|=|vecv1-vecv2| and vecv1 and vecv2 have finite values ...

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  9. Can commutative law be applied to vector subtraction ?

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  10. Can apply associative law to vector subtraction ?

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  11. How many components can a vector be resolved into ?

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  12. Is rocket in flight an illustration of projectile ?

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  13. What is the angle of projection for attaining maximum vertical heig...

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  14. What is the angle between two vectors whose vector product is zero ?

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  15. What is the scalar product of two vectors perpendicular to each other ...

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  16. What is the angle between (vecA+vecB) and (vecAxxvecB) ?

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  17. Can the value of vecAxxvecA be 0?

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  18. If hati and hatj are unit vectors along x and y axes respectively then...

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  19. What is the angle between the vectors vecA and vecAxxvecB ?

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  20. What is the angle between vector vecA and the resultant of (vecA+vecB)...

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