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Incase of each of the following statemen...

Incase of each of the following statements, state whether it is true or false : Direction cosines of a non-zero vector `vec a` are the components of a unit vector in the direction of `vec a`.

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PRADEEP PUBLICATION-VECTORS-EXERCISE
  1. Incase of each of the following statements, state whether it is true o...

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  2. Incase of each of the following statements, state whether it is true o...

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  3. Incase of each of the following statements, state whether it is true o...

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  4. Incase of each of the following statements, state whether it is true o...

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  5. If a is any vector, then (a xxhati)^(2)+(axx hatj)^(2)+(axxhatk)^(2)...

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  6. Incase of each of the following statements, state whether it is true o...

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  7. Which of the following is not a vector quantity?

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  8. A vector with magnitude zero is called a

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  9. The magnitude of a vector can never be

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  10. The vector in the direction of the vector hat i- 2hat j +2hat k that h...

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  11. The position vector of the point which divides the join of points 2 ve...

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  12. The magnitude of the vector 6 hati+2 hat j+3 hat k is

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  13. The position vector of the point which divides the join of points with...

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  14. The value of λ for which the vectors 3 hat i-6hat j +hat k and 2 hat i...

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  15. If vec a and vec b are non-collinear proper vectors then number of uni...

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  16. If θ is the angle between two proper vectors vec a and vec b, then vec...

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  17. If vec a is any vector, then vec a*vec a

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  18. For any vector, vec a, vec a xx vec a

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  19. The vector having initial and terminal points as (2,5,0) and (-3,7,4) ...

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  20. The angle between two vectors vec a and vec b with Magnitudes sqrt3 an...

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