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If |vecA xx vecB| = vecA.vecB then the a...

If `|vecA xx vecB| = vecA.vecB` then the angle between `vecA and vecB` is :

A

Statement-I is true, Statement-II is true, Statement-II is correct explanation for statement-I

B

Statement-I is true, Statement-II is true, Statement-II is NOT a correct explanation for statement-I

C

Statement-I is true, Statement-II is false.

D

Statement-I is false and Statement-II is true.

Text Solution

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The correct Answer is:
C
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Knowledge Check

  • If |vecA + vecB| = |vecA - vecB| , then the angle between vecA and vecB will be

    A
    `30^(@)`
    B
    `45^(@)`
    C
    `(60)^(@)`
    D
    `90^(@)`

  • If veca . vecb =ab then the angle between veca and vecb is

    A
    `pi//2`
    B
    `pi`
    C
    zero
    D
    any angle between zero and `pi`

  • If veca * vecb = |veca xx vecb| , then this angle between veca and vecb is,

    A
    Zero
    B
    `pi//2 `
    C
    `pi//4`
    D
    `pi`

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