1
WB JEE 2008
MCQ (Single Correct Answer)
+1
-0.25
The angle subtended by the vector $$A = 4\widehat i + 3\widehat j + 12\widehat k$$ with the x-axis is
2
WB JEE 2020
MCQ (Single Correct Answer)
+1
-0.25
Consider the vectors $$A = \hat i + \hat j - \hat k$$
,$$B = 2\hat i - \hat j + \hat k$$ and $$C = {1 \over {\sqrt 5 }}\left( {\hat i - 2\hat j + 2\hat k} \right)$$
. What is the value of C. (A$$ \times $$ B) ?
3
WB JEE 2018
MCQ (Single Correct Answer)
+1
-0.25
In a triangle ABC, the sides AB and AC are represented by the vectors $$3\widehat i + \widehat j + \widehat k$$ and $$\widehat i + 2\widehat j + \widehat k$$, respectively. Calculate the angle $$\angle ABC$$.
4
WB JEE 2017
MCQ (Single Correct Answer)
+1
-0.25
Three vectors $$\overrightarrow A $$ = a$$\widehat i$$ + $$\widehat j$$ + $$\widehat k$$; $$\overrightarrow B $$ = $$\widehat i$$ + b$$\widehat j$$ + $$\widehat k$$ and $$\overrightarrow C $$ = $$\widehat i$$ + $$\widehat j$$ + c$$\widehat k$$ are mutually perpendicular ($$\widehat i$$, $$\widehat j$$ and k are unit vectors along X, Y and Z-axes respectively). The respective values of a, b and c are
Questions Asked from Vector Algebra (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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