Which of the following is a characteristic of an exothermic reaction?
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1 pascal equals 1 ________________.
The tendency of undisturbed objects to stay at rest or to keep moving with the same velocity is called
In which of the following mentioned activities is the potential energy (P.E) converted into kinetic energy(K.E)?
Two particles with charges q1 and q2 are kept at a certain distance to exert force F on each other. If the distance is reduced to one-fifth, then the force between them is
An object weighing 20 kg is raised through a height of 2 m. What will be the work done by the force of gravity in this process?
The kinetic energy of a ball weighing 0.5 kg moving with a velocity of 4 m/s will be
What is the reason for formation of Mirage in desert?