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Recent questions tagged product of vectors
+2
votes
1
answer
A plane mirror is moving with velocity 4i + 5j + 8k. A point object in front of the mirror moves with a velocity 3i + 4j + 5k .
asked
Apr 4, 2019
in
Class 12
by
kratos
the plane
cbse
product of vectors
cross or vector
class-12
+2
votes
1
answer
Find the angle between vector A = 2i - j + k and vector B = i + j + 3k.
asked
Apr 3, 2019
in
Class 12
by
kratos
the plane
cbse
applications of vector algebra
product of vectors
cross or vector
class-12
three dimensional geometry
+2
votes
1
answer
Vector r which is equally inclined to coordinate axes such that |r| = 15√3 is (A) i + j + k
asked
Feb 27, 2019
in
JEE
by
kratos
vector algebra
class-11
jee
vectors
product of vectors
class-12
cross or vector
jee mains
scalar or dot products
vector
+1
vote
1
answer
Let vector a = 4i + 5j - k, vector b = i - 4j + 5k and vector c = 3i + j - k.
asked
Feb 17, 2019
in
JEE
by
kratos
cbse
jee
product of vectors
optics
cross or vector
jee mains
class-12
+3
votes
1
answer
Let vector a = 3i + 2j + 9k and vector b = i + mj + 3k. The value m of when vector a and b are parallel is
asked
Feb 13, 2019
in
Class 12
by
kratos
vector algebra
class-11
product of vectors
product of three vectors
cross or vector
vector
scalar or dot products
class-12
+2
votes
1
answer
If vector a = i - j + 7k and vector b = 5i - j + λk, then find the value of λ,
asked
Feb 11, 2019
in
Class 12
by
kratos
vector algebra
cbse
class-11
product of vectors
cross or vector
vector
scalar or dot products
class-12
+2
votes
1
answer
Let vector a = 2i + λ1j + 3k, vector b = 4i + (3 - λ2)j + 6k and vector c = 3i + 6j + (λ3 - 1)k be three vectors such that
asked
Feb 2, 2019
in
JEE
by
kratos
vector algebra
cbse
cross product
jee
product of vectors
scalar triple product
cross or vector
jee mains
vector
scalar or dot products
class-12
+2
votes
1
answer
If θ is the angle between two vectors i - 2j + 3k and 3i - 2j + k, find sin θ.
asked
Jan 27, 2019
in
Class 12
by
kratos
vector algebra
cbse
product of vectors
scalar triple product
cross or vector
vector
class-12
+3
votes
1
answer
Find a vector of magnitude 6, which is perpendicular to both the vectors 2i - j + 2k and 4i – j + 3k .
asked
Jan 5, 2019
in
JEE
by
kratos
vector algebra
class-11
jee
vectors
product of vectors
cross product
cross or vector
jee mains
vector
class-12
+2
votes
1
answer
Write the value of p, for which vector a=3i+2j+9k and vector b=i+pj+3k are parallel vectors.
asked
Jan 2, 2019
in
JEE
by
kratos
vector algebra
jee
vectors
product of vectors
cross or vector
class-12
jee mains
scalar or dot products
vector
+3
votes
1
answer
Let vector a=i-j,b=3j-k and c=7i-k.Find a vector d which is perpendicular to both a and b and c.d=1
asked
Jan 1, 2019
in
JEE
by
kratos
vector algebra
class-11
jee
product of vectors
cross or vector
class-12
+3
votes
1
answer
If vector a = i + 2j - 3k and vector b = 3i - 2j +2k then show that vector(a + b) and vector(a - b) are perpendicular to each other.
asked
Dec 27, 2018
in
JEE
by
kratos
vector algebra
class-11
jee
vectors
product of vectors
cross or vector
jee mains
vector
scalar or dot products
class-12
+3
votes
1
answer
Find the angle between vector a + vector b, vector a - vector b if vector a = i + 2j + k, vector b = 3i - j + 2k
asked
Dec 22, 2018
in
Class 12
by
kratos
vector algebra
cross product
product of vectors
cross or vector
vector
class-12
three dimensional geometry
+3
votes
1
answer
The unit vector along 2i – 3j + k is
asked
Dec 10, 2018
in
JEE
by
kratos
jee
product of vectors
kvpy
cross or vector
jee mains
class-12
+2
votes
1
answer
If vector a = vector(i + j + 2k) and vector b = vector(3i + 2j - k), then the value of vector(a + 3b).(2a - b) is (a) 15 (b) 18 (c) -18 (d) -15
asked
Dec 8, 2018
in
Class 12
by
kratos
class-12
cross or vector
product of vectors
vector algebra
+1
vote
1
answer
If vector a= i +j +2k, and b= 3 i +2j -k, when the value of vector (a +3b).(2a - b) is - (a) 15 (b) 18 (c) -18 (d) -15
asked
Dec 7, 2018
in
Class 12
by
kratos
vector algebra
product of vectors
cross or vector
bseb model set
class-12
+3
votes
1
answer
Find λ if (2i+6j+14k)x(i-λj+7k)=0.
asked
Nov 15, 2018
in
JEE
by
kratos
vector algebra
cross product
jee
product of vectors
cross or vector
jee mains
vector
class-12
+3
votes
1
answer
1/7(2i + 3j + 6k), 1/7 (3i - 6j + 2k), 1/7(6i + 2j - 3k)
asked
Oct 9, 2018
in
Class 12
by
kratos
class-12-hindi
vector algebra
cross product
class-11
product of vectors
cross or vector
vector algebra hindi
vector
scalar or dot products
class-12
+3
votes
1
answer
A unit vector perpendicular to both the vectors (i + j) and vector(j + k) is which of the following:
asked
Oct 8, 2018
in
Class 12
by
kratos
cbse
vector algebra
product of vectors
cross or vector
class-12
+1
vote
1
answer
Obtain the projection of the vector a = 2i + 3j + 2k on the vector b = i + 2j + k
asked
Oct 1, 2018
in
JEE
by
kratos
cbse
vector algebra
vectors
product of vectors
cross or vector
jee mains 2019
class-12
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