If veca is a nonzero vector of magnitude 'a' and λ a nonzero scalar, then λveca is unit vector if ______.

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If veca is a nonzero vector of magnitude ‘a’ and λ a nonzero scalar, then λveca is unit vector if underline(a = 1/|λ|) Explanation: Given : Resultant of veca = a That is, |veca| = a λveca is a unit vector |lambdaveca| = 1 |lambda||veca| = 1 |lambda|a = 1 a = 1/|lambda| Hence, option a = 1/|lambda|` is correct.

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