The correct option is B) Heat. The state variable is defined as the variable which depends only on the initial and final state irrespective of... View Article
First law of thermodynamics tells that whenever heat is supplied to a system, a part of it increases the internal energy and remaining heat is... View Article
In an adiabatic process no heat energy enters or leaves the system so  ∆Q= 0 From first law of thermodynamics ∆Q= ∆U +∆W therefore for adiabatic... View Article
If drops and bubbles are not collapsing under the effect of gravity, it indicates that pressure inside the drop is greater than outside it which... View Article
A bar is a metric unit of pressure but is not approved as part of the International System of Units (SI). The bar is defined using the SI derived... View Article
Answer:Â (2) speed When a body is in a uniform circular motion, its speed remains constant but its velocity, angular acceleration, angular... View Article
The correct answer is (D) The distance is always greater than or equal to the magnitude of displacement Distance Distance is the total movement... View Article
Which of the following measurements is a velocity? 5 m/s 5 m/s North 5 m/s2 5 m/s2 North Explanation: 5 m/s north is a velocity. Velocity... View Article
Answer:Â (4) A car moving in a circular path A motion along a straight line is called rectilinear motion. A car moving in a circular path changes... View Article
The speed of an object in a particular direction is called velocity. Velocity can also be defined as the rate of change of the object’s... View Article
Answer: (2) Less than or equal to 1 The ratio of displacement to distance is less than or equal to 1. Distance is the measure of how much... View Article
