Sample Paper  Class – XI Subject - Chemistry Time : 1:30 hr
Pressure Pressure is the force acting on a surface per u
Pressure Pressure is the force acting on a surface per u
Pressure Pressure is the force acting on a surface per u
Pressure Pressure is the force acting on a surface per u
  1. When the velocity is constant, can the average velocity over any time interval differ from the instantaneous velocity at any instant? If so, give an example; if not, explain why. 2. When racing car, in a qualifying two-lap het, covers the first lap with an avera
System of units : A complete set of units, both fundamental and derived for all kinds of physical quantities is called system of units. The common systems are given below (1) CGS system : The system is also called Gaussian system of units. In
System of units : A complete set of units, both fundamental and derived for all kinds of physical quantities is called system of units. The common systems are given below (1) CGS system : The system is also called Gaussian system of units. In it length, mass
Q1.Why is gravitational potential energy always negative?[1]
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