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The vectors \(\vec A\) and \(\vec B\) are such that |\(\vec A\) +\(\vec B\)| = |\(\vec A\) – \(\vec B\)|. The angle between the two vector is ………(a) 45° (b) 60° (c) 75° (d) 90° |
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Answer» (d) 90° The angle between two vector is always 90°. |
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