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NEET2005PhysicsMathematics in PhysicsActual

The length, breadth and thickness of a block are given by l=12 ~cm , b=6 ~cm and t=2.45 ~cm . The volume of the block according to the idea of significant figures should be

Options

  1. A1 10^2 ~cm ^3
  2. B2 10^2 ~cm ^3
  3. C1.763 10^2 ~cm ^3
  4. DNone of the above

Correct answer

B. 2 10^2 ~cm ^3

Step-by-step solution

Using the relation for volume V= length breadth thickness aligned & =12 6 2.45=176.4 & =1.764 10^2 ~cm ^3 aligned The minimum number of significant figures is 1 in breadth, hence the volume will contain only one significant figure. Therefore, V=2 10^2 ~cm ^3

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