PHYSICS ONE LINER SET 29

PHYSICS ONE LINER SET 29

1. In which process the internal energy of a system remains constant? Isothermal
 
2. During adiabatic compression of a gas, what is the its temperature? Rises
 
3. Which physical quantities do not have same dimensions? Force and Pressure
 
4. If the momentum of a body is increased by 50%, how much will its K.E. will
increase? 125%
 
5. What is the principle by which a cooling system (Radiator) in a motor car
works?
Convection
 
6. If an ideal gas is isothermally expanded, what will its internal energy? Remain the same
 
7. Which law of thermodynamics introduces the concept of entropy? Second law
 
8. If we move from the equator to a pole, what will be the value of g? Increases
 
9. By which force can fat be separated from milk in a cream separator? Centrifugal force
 
10. What does TV remote control unit use to operate a TV set? Radio waves