Physics · 2021
JEE Main · 22 July 2021, Shift 2 · Q11
What will be the projection of vector A = i + j + k on vector B = i + j?
What will be the projection of vector $\displaystyle \overrightarrow{\mathrm{A}}=\hat{i}+\hat{j}+\hat{k}$ on vector $\displaystyle \overrightarrow{\mathrm{B}}=\hat{i}+\hat{j}$ ?
Official answer
(2)
$\displaystyle (\hat{i}+\hat{j})$
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.