KEAM 2023 Physics and Chemistry Solved Paper

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Question : 2 of 120
 
Marks: +1, -0
Consider a vector addition
→
P
+
→
Q
=
→
R
.
If
→
P
=
|
→
P
|
^
i
,
|
→
Q
|=10
and
→
R
=3
|
→
P
|
^
j
then |
→
P
|
is :
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