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If a unit vector is represented by 0.4 h...

If a unit vector is represented by `0.4 hati+0.7 hatj + chatk` then the value of c is

A

`sqrt(0.01)`

B

`sqrt(0.11)`

C

1

D

`sqrt(0.39)`

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The correct Answer is:
B
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AAKASH INSTITUTE-WORK, ENERGY AND POWER-Assignment (SECTION - C)
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  2. Three vectors vecA, vecB and vecC satisfy the relation vecA. vecB=0 an...

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  3. If a unit vector is represented by 0.4 hati+0.7 hatj + chatk then the ...

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