Question : The radius vector and linear momentum are respectively given by vector 2î+ 2ĵ+ k̂ and 2î− 2ĵ+ k̂. Their angular momentum is
(a) 2î− 4ĵ
(B) 4î− 8k̂
(C) 2î− 4ĵ+ 2k̂
(D) 4î− 8ĵ
Answer : option (B)
Solution :

Question : The radius vector and linear momentum are respectively given by vector 2î+ 2ĵ+ k̂ and 2î− 2ĵ+ k̂. Their angular momentum is
(a) 2î− 4ĵ
(B) 4î− 8k̂
(C) 2î− 4ĵ+ 2k̂
(D) 4î− 8ĵ
Answer : option (B)
Solution :