NAT II Physical Science Physics With Answers

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NAT II Physical Science Physics

Sr. # Questions Answers Choice
1 The percentage errors in the measurements of mass and speed are 2% and 3% respectively. How much will be the maximum error in the estimate of the kinetic energy obtained by measuring mass and speed 11% 8% 5% 1%
2 The dimensional formula of torque is: [ML<sup>2</sup>T<sup>-2</sup>] {MLT<sup>-2</sup>] [ML<sup>-1</sup>T<sup>-2</sup>] [ML<sup>-2</sup>T<sup>-2</sup>]
3 Planck's constant has the dimensions of: Energy Momentum Frequency Angular momentum
4 The fundamental unit which has same power in the dimensional formula of surface tension and viscosity is: Mass Length Time None
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