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Question

Vector A points vertically upward and B point towards north. The vector product A×B is

A
Zero
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B
Along west
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C
Along east
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D
Vertically downward
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Solution

The correct option is B Along west
Direction of vector A is along z-axis , A=a^k
Direction of vector B is towards north , B=b^j
Now A×B=a^k×b^j=ab(^i)
Hence, the direction of A×B is along west.

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