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Q.

When 1 m, 1 kg and 1 min are taken as the fundamental units, the magnitude of the force is 36 units. What will be the value of this force in CGS system?

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a

103 dyne

b

108 dyne

c

104 dyne

d

105 dyne

answer is B.

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Detailed Solution

As, dimensional formula of force = [MLT-2
n1 = 36, M1 = 1kg, L1 = 1m, T1 = 1min=60s
n2 = ?, M2 = 1g, L2 = 1cm, T2 = 1s
So, conversion of 36 units into CGS system, 
i.e., n2=n1M1M2aL1L2bT1T2c n2=n11 kg1g11m1cm11min1s-2 =361000g1g100cm1cm160s1s-2=103dyne

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