The Kelvin scale is also called absolute zero scale
Explanation:
true
The answer is diffraction or interference
Answer: radiant energy
Explanation:
The energy in electromagnetic waves is sometimes called radiant energy.
Answer:
Force of
Kgm/s^2 must be applied to the piston to raise oil to a height of 6.0 m
Explanation:
As we know,
Pressure is the force per unit area
Or 
Force 
Pressure is the product of density, gravitational constant and height

Force
Kgm/s^2