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The magnitude of the vector product of t...

The magnitude of the vector product of two vectors `vecA` and `vecB` may not be:

A

Greater than AB

B

Less than AB

C

Equal to AB

D

Equal to zero

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • Magnitude of the cross product of the two vectors (vecA and vecB) is equal to the dot product of the two . Magnitude of their resultant can be written as

    A
    `sqrt(A^(2)+B^(2)+ABsqrt3)`
    B
    `sqrt(A^(2)+B^(2)+AB//sqrt2)`
    C
    `sqrt(A^(2)+B^(2)+2sqrt2AB)`
    D
    `sqrt(A^(2)+B^(2)+ABsqrt2)`

  • If the scalar and vector products of two vectors vecA and vecB are equal in magnitude, then the angle between the two vectors is

    A
    `45^(@)`
    B
    `90^(@)`
    C
    `180^(@)`
    D
    `120^(@)`

  • The ratio of maximum and minimum magnitudes of the resultant of two vectors vecA and vecb is 3 : 1 . Now, |veca| is equal to :

    A
    `|vecb|`
    B
    `2|vecb|`
    C
    `3|vecb|`
    D
    `4|vecb|`

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