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Byju's Answer
Standard XII
Physics
Unit Vectors
If a⃗·a⃗=0 ...
Question
If
→
a
⋅
→
a
=
0
and
→
a
⋅
→
b
=
0
, then what can be concluded about the vector
→
b
?
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Solution
It is given that
→
a
⋅
→
a
=
0
and
→
a
⋅
→
b
=
0
.
Now,
→
a
⋅
→
a
=
0
⇒
|
→
a
|
2
=
0
⇒
|
→
a
|
=
0
∴
→
a
is a zero vector.
Hence, vector
→
b
satisfying
→
a
⋅
→
b
=
0
can be any vector.
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Similar questions
Q.
Given that
→
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⋅
→
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=
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and
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Q.
Given that
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and
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Let
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Q.
If
→
a
.
→
a
=
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→
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=
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then what can be concluded about the vector
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