Position of a body with acceleration ‘a’ is given by x = Ka…

Physics Units, Dimensions and Measurement Dimensions MCQ (Single Correct)

Position of a body with acceleration ‘a’ is given by x = Ka m t n , here t is time. Find dimension of m and n:

m = 1, n = 1

m = 1, n = 2

m = 2, n = 1

m = 2, n = 2

Text Solution

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The correct answer is:

x = K am tn

[L] = [L T –2 ] m [T] n

[L] = [L m T n–2m ]

m = 1, n – 2m = 0 n = 2

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