Given r =4 j and p =2 i +3 j + k . The angular momentum is
Physics · JEE Advanced · NTA Exams — Physics and Measurement
Given \(\overrightarrow{\mathrm{r}}=4 \hat{\mathrm{j}}\) and \(\overrightarrow{\mathrm{p}}=2 \hat{\mathrm{i}}+3 \hat{\mathrm{j}}+\hat{\mathrm{k}}\). The angular momentum is
- \(4 \hat{\mathrm{i}}-8 \hat{\mathrm{k}}\)
- \(8 \hat{\mathrm{i}}-4 \hat{\mathrm{k}}\)
- \(8 \hat{j}\)
- \(9 \hat{\mathrm{k}}\)
Answer
(A) 4 i -8 k
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