AIPMT PRELIMS2005Physics-Vectors
AIPMT PRELIMS 2005 Physics Dot Product MCQ Question
Type: MCQ-numerical-Easy-Class 11
If a vector 2i + 3j + 8 is perpendicular to the vector 4j - 4i + α, then the value of α is:
A
-2
B
1/2
C
2
D
-1/2
Correct Answer
Option C
Detailed Explanation
Two vectors are perpendicular if their dot product is zero. Calculating the dot product of the given vectors and setting it to zero allows solving for α.
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