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Byju's Answer
Standard XII
Physics
Parallax Method
If A⃗·B⃗=1/2 ...
Question
If
→
A
.
→
B
=
1
2
A
B
, what is the angle between
→
A
a
n
d
→
B
?
A
zero
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B
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C
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D
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Solution
The correct option is
C
Given
→
A
.
→
B
=
A
B
cos
θ
=
1
2
A
B
. Therefore
θ
=
60
∘
.
Hence correct choice is (c).
Suggest Corrections
1
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