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Express 2 hat i- hat j+3 hat k as the su...

Express `2 hat i- hat j+3 hat k` as the sum of vector parallel and a vector perpendicular to `2 hat i+4 hat j-2 hat kdot`

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Express 2 hat i- hat j+3 hat k as the sum of a vector parallel and a vector perpendicular to 2 hat i+4 hat j-2 hat kdot

Write a unit vector perpendicular to hat i+ hat j\ a n d\ hat j+ hat kdot

A vector perpendicular to hat(i)+hat(j)+hat(k) is

Decompose the vector 6 hat i-3 hat j-6 hat k into vectors which are parallel and perpendicular to the vecrtor hat i+ hat j+ hat kdot

Decompose the vector 6 hat i-3 hat j-6 hat k into vectors which are parallel and perpendicular to the vector . hat i+ hat j+ hat k Then the vectors are .

Vector 1/3(2i-2j+k) is (A) a unit vector (B) makes an angle pi//3 with vector (2 hat i-4 hat j+3 hat k) (C) parallel to vector (- hat i+ hat j-1/2 hat k) (D) perpendicular to vector 3 hat i+2 hat j-2 hat k

The scalar product of the vector hat i+\ hat j+\ hat k\ with the unit vector along the sum of vectors 2 hat i+\ 4 hat j-5 hat k . and lambda hat i+\ 2 hat j+\ 3 hat k\ is equal to one. Find the value of lambda .

The vector vec b=3 hat i+4 hat k is to be written as the sum of a vector vecalpha parallel to vec a= hat i+ hat j and a vector vecbeta perpendicular to vec adot Then vecalpha= 3/2( hat i+ hat j) b. 2/3( hat i+ hat j) c. 1/2( hat i+ hat j) d. 1/3( hat i+ hat j)

Find the vector equation of a plane passing through a point having position vector 2 hat i- hat j+ hat k and perpendicular to the vector 4 hat i+2 hat j-3 hat kdot

Find the projection of vector hat i+3 hat j+7 hat k on the vector 7 hat i- hat j+8 hat kdot

RD SHARMA ENGLISH-SCALAR OR DOT PRODUCT-All Questions
  1. If vec a and vec b are two vectors of the same magnitude inclined ...

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  2. Decompose the vector 6 hat i-3 hat j-6 hat k into vectors which are pa...

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  3. Express 2 hat i- hat j+3 hat k as the sum of vector parallel and a vec...

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  4. Show that the vectors vec a=3 hat i-2 hat j+ hat k , vec b= hat i+3 h...

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  5. (Projection Formulae) if a ,b ,c are the lengths of the sides opposite...

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  6. Prove using vectors: If two medians of a triangle are equal, then it i...

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  7. Find the angle between two vectors vec aa n d vec b with magnitudes s...

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  8. Find the angle between the vectors 5hat i+3 hat j+4 hat k and 6 hat i...

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  9. Find the projection of the vector 7 hat i+ hat j-4 hat kin vec a=2 hat...

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  10. For any vector vec r , prove that vec r=( vec r . hat i) hat i+( vec...

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  11. Find veca * vec b when vec a=2 hat i+2 hat j- hat ka n d vec b=6...

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  12. Find the value of lambda so that the vectors vec a=2 hat i+lambda hat...

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  13. Find the value of p for which the vectors vec a=3 hat i+2 hat j+9 ha...

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  14. Find the values of ' a ' which the vector vec r=(a^2-4) hat i+2 hat j...

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  15. If vec a , vec b , vec c are unit vector, prove that | vec a- vec b|...

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  16. If vec a , vec b , vec c are mutually perpendicular unit vectors, fin...

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  17. Find the value of c for which the vectors vec a=(clog2x) hat i-6 hat...

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  18. Let vec a= hat i+4 hat j+2 hat k ,\ \ vec b=3 hat i-\ 2 hat j+7 hat ...

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  19. Dot products of a vector with vectors 3 hat i-5 hat k ,2 hat i+7 hat j...

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  20. Let vec a , vec b , vec c be three vectors such that | vec a|=1,| vec...

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