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If three vectors vecA, vecB and vecC sat...

If three vectors `vecA, vecB and vecC` satisfy the relation `vecA.vecB = 0 & vecA.vecC = 0` then the vector `vecA` is parallel to `vecB xx vecC`.
Statement-2 : `vecA _|_vecB` and `vecA_|_vecC` hence A is perpendicular to plane formed by `vecB and vecC`.

A

Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-1

B

Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1

C

Statement-1 is True, Statement-2 is False

D

Statement-1 is False, Statement-2 is True

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The correct Answer is:
A
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MOTION-VECTOR & CALCULUS-EXERCISE -4 (LEVEL - I) PREVIOUS YEAR
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  2. Assertion: A vector qunatity is a quantity that has both magnitude and...

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  3. Statement-1 : If the rectangular components of a force are 8 N and 6 N...

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  4. If three vectors vecA, vecB and vecC satisfy the relation vecA.vecB = ...

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  5. Assertion: The minimum number of vectors of unequal magnitude required...

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  6. Statement-1 : The angle between the two vectors (hatI + hatJ) and (hat...

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  7. Assertion : Distance is a scalar quantity. Reason : Distance is the ...

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  8. State true or false If vecA & vecB are two force vectors vecA. vecB ...

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  9. State true or false If vecA & vecB are two force vectors then vecAxx...

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  10. State true or false If the vector product of two non-zero vectors va...

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  11. State true or false If a function has maximum value at point P theh ...

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  12. The scalar product of vector vecA= 2hati + 5hatk and vecB = 3hatj + 5h...

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  13. If vecA=3hati+4hatj and vecB=7hati+24hatj, find a vector having the sa...

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  14. If vecA||vecB then vecA xx vecB=……….

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  15. The magnitude of area of the parellelogram formed by the adjacent side...

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  16. A force is represented by 2hati + 3hatj + 6hatk. The magnitude of the ...

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  17. The unit vector along vector hati + hatj + hatk is ………..

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  18. If vecA is …………….to vecB, then vecA.vecB = 0

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  19. The angle made by the vector vecA=hati+hatj with x-axis is

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  20. If vecA + vecB + vecC = vec0, then vecA.(vecB xx vecC) = ……….

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