What is the unit of work done?
Newton.
Walt.
Joule.
Coulomb
The chemical reaction which takes place in Sun and stars _____________.
Nuclear Fission
Mutation
Radioactive reaction
Nuclear fusion
W = F x _______________.
Momentum (p)
Acceleration(a).
Displacement (s).
Velocity(v).
What does the natural gas contain primarily ?
Propane.
Methane.
Butane.
Ethane.
Which of the following is a scalar quantity?
Work.
Velocity.
Acceleration.
Force.
The unit of power in the the Mks system is.
Erg.
Watt.
1 Horse power is equal to ___________ ergs.
746.
107.
746 x 107.
105.
An object of mass 15 kg is moving with a uniform velocity of 4m/s. What is the kinetic energy possessed by the object.
120J.
100J.
220J.
200J.
The capacity for doing work is called _______________.
Power.
Energy.
The energy possessed by a body due to its motion is called ________________.
Static energy
Kinetic energy.
Potential energy
None of these
