सदिश \(\vec{a}=\frac{1}{{\sqrt 3}}\hat i + \frac{1}{{\sqrt 3}}\hat j + \frac{1}{{\sqrt 3}}\hat{k}\) के दिए गए परिमाण का मान ज्ञात कीजिए?

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  1. \({\sqrt 3 }\)
  2. \(\frac{1}{{\sqrt 3 }}\)
  3. 1.5
  4. 1

Answer (Detailed Solution Below)

Option 4 : 1
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दिया गया है:

\(\vec{a}=\frac{1}{{√ 3}}̂ i + \frac{1}{{√ 3}}̂ j + \frac{1}{{√ 3}}̂{k}\)

सूत्र:

सदिश aî + bĵ + ck̂ का परिमाण √(a2 + b2 +c2) द्वारा दिया जाता है

गणना:

 \(\vec{a}=\frac{1}{{√ 3}}̂ i + \frac{1}{{√ 3}}̂ j + \frac{1}{{√ 3}}̂{k}\) का परिमाण

= √[(1/√3)2 + (1/√3)2 + (1/√3)2]

= 1

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