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Standard XII
Physics
Question

Which of the following is base quantity ?
  1. Power
  2. Momentum
  3. Latent heat
  4. Radian

A
Momentum
B
Latent heat
C
Radian
D
Power
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Solution
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A Physical quantity is a quantity in physics that can be measured or can be quantified.
Power is the rate of doing work. It is the amount of energy consumed per unit time.
Momentumis the product of the mass and velocity of an object.
Latent heat is energy released or absorbed, by a body or a thermodynamic system, during a constant-temperature process
All of these are physical quantities.
Base quantities are those quantities which are distinct in nature and cannot be defined by other quantities

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