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Byju's Answer
Standard XII
Physics
Vector Addition
A⃗ and B⃗ a...
Question
→
A
and
→
B
are two vectors and
θ
is the angle between them, if
|
→
A
×
→
B
|
=
√
3
(
→
A
.
→
B
)
, the value of
θ
is
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Solution
|
→
A
×
→
B
|
=
√
3
(
→
A
.
→
B
)
A
B
sin
θ
=
√
3
(
A
B
cos
θ
)
Or
tan
θ
=
√
3
⟹
θ
=
60
o
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Similar questions
Q.
→
A
and
→
B
are two vectors and
θ
is the angle between them, if
|
→
A
×
→
B
|
=
√
3
(
→
A
⋅
→
B
)
the value of
θ
is
Q.
Vectors
→
a
and
→
b
make an angle
θ
=
2
π
3
.
If
|
→
a
|
=
1
,
∣
∣
→
b
∣
∣
=
2
then
{
(
→
a
+
3
→
b
)
×
(
3
→
a
−
→
b
)
}
2
=
Q.
If
→
a
and
→
b
are unequal vectors such that
(
→
a
−
→
b
)
×
[
(
→
b
+
→
a
)
×
(
2
→
a
+
→
b
)
]
=
→
a
+
→
b
, then the angle
θ
between
→
a
and
→
b
is
Q.
Let
→
a
,
→
b
and
→
c
be three non-zero vectors such that no two of them are collinear and
(
→
a
×
→
b
)
×
→
c
=
1
3
|
→
b
|
|
→
c
|
→
a
. If
θ
is the angle between vectors
→
b
and
→
c
, then a value of sin
θ
is :
Q.
If
→
a
and
→
b
are two unit vector and
θ
is the angle between them, then
(
→
a
+
→
b
)
is a unit vector if
θ
=
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