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JEE Mains 28-July-2022 Shift 1 Solved Paper

Section: Physics
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Question : 51 of 90
 
Marks: +1, -0
If the projection of 2
^
i
+4
^
j
−2
^
k
 on
^
i
+2
^
j
+α
^
k
 is zero. Then, the value of α will be _______.
[28-Jul-2022-Shift-1]
  • Your Answer:
Validate
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