The density of a material in SI units is 128 kgm –3 . In certain units in which the units of length is 25 cm and the unit of mass is 50 g, the numerical value of density of the material is :
Text Solution
Verified by ExpertsThe correct answer is:
B
n 1 u 1 = n 2 u 2
∴ 128 
∴ 
= 
= 128 × 20 × 
= 40
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