दो एकांक सदिश एक कोण पर इस प्रकार झुके है कि उनका परिणामी सदिश भी एक एकांक सदिश है I वह कोण है -

This question was previously asked in
RPSC 2nd Grade Science - 2015 Official Paper
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  1. 30°
  2. 60°
  3. 120°
  4. 150°

Answer (Detailed Solution Below)

Option 3 : 120°
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RPSC Senior Grade II (Paper I): Full Test 1
100 Qs. 200 Marks 120 Mins

Detailed Solution

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अवधारणा:

दो सदिशों  और के लिए, परिणामी सदिश होगा:

गणना:

दिया गया है:

cos θ = -1/2

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Last updated on Jul 19, 2025

-> The latest RPSC 2nd Grade Teacher Notification 2025 notification has been released on 17th July 2025

-> A total of 6500 vacancies have been declared.

-> The applications can be submitted online between 19th August and 17th September 2025.

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