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If vecA xx vecB = vecC+ vecD, them selec...

If `vecA xx vecB = vecC+ vecD`, them select the correct alternative:

A

`vecB` is parallel to `vecC + vecD`

B

`vecA` is perpendicular to `vecC`

C

Component of `vecC` along `vecA` = Components of `vecD` along `vecA`

D

Component of `vecC` along `vecA` =-Components of `vecD` along `vecA`

Text Solution

Verified by Experts

The correct Answer is:
D

In Fig.360 few can say that component of `vecC` along `vecA = - "component of" `vecD` "along" `vecA`.
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GRB PUBLICATION-VECTORS-OBJECTIVE QUESTIONS
  1. If veca and vecb are two unit vectors such that veca+2vecb and 5veca-4...

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  2. Vector veca is prepedicular to vecb, componets of veca- vecb along ve...

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  3. If vecA xx vecB = vecC+ vecD, them select the correct alternative:

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  4. If veca and vecb are two non-collinear unit vectors and if |veca(1...

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  5. A ray of light is incident on a plane mirror along a vector hat i+hat ...

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  6. A particle is moving along a circle with a uniform speed v. Find (a) c...

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  7. A plane mirror is moving with vclocity . A point object in fo...

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  8. The angle between the vectors (hati+hatj) and (hatj+hatk) is

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  9. A parallelogram is fromed withveca and vecb as the sides let vecd...

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  10. If two non-parallel vectors vecA and vecB are equal in magntiude,...

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  11. If the vectors (hati+ hatj + hatk) and 3 hati from two sides of a ...

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  12. The value of p so that vectors (2hati - hatj +),( hati +2hatj-3hatk) ...

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  13. The vector sum of three vectors vecA, vecB and vecC is zero . If ha...

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  14. Three force F(1) = (3hati + 2hatj - hatk) vecF(2) and that the parti...

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  15. For the fig. 350 :

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  16. A vector may change if :

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  17. When two vectors vecA and vecB of magnitudes a and b respectively are ...

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  18. The rectangular compounts of forces of 5 duye are :

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  19. To get a rsultant displacement of 10m, two displacement vectors, o...

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  20. A magnitude of vector vecA,vecB and vecC are respectively 12, 5 and 13...

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