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If vecA=hati+hatj-hatk and vecB=-hati+3h...

If `vecA=hati+hatj-hatk` and `vecB=-hati+3hatj+4hatk` then projection of `vecA` on `vecB` will be

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If vecA=2hati+3hatj-hatk and vecB=-hati+3hatj+4hatk then projection of vecA on vecB will be

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If vecA= 2hati+nhatj-1hatk and vecB=1hati+2hatj+3hatk , then findt the value of n so that vecA bot vecB .

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ALLEN -RACE-Basic Maths (Units, Dimensions & Measurements)
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  6. total no of significant digits in 0.00202040 is

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  7. In a vernier calliper, N divisions of vernier scale coincide with (N-1...

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  8. If vecA=hati+hatj-hatk and vecB=-hati+3hatj+4hatk then projection of v...

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