Category Archives: Work and energy

Law of conservation of energy

Question 1 Define the law of conservation of energy? Law of conservation of energy Whenever energy gets transformed,the total energy remains unchanged. According to this law,energy can only be converted from one form to another,it can neither be created or destroyed.The total energy before and after transformation remains same. Ball,mass,m,height,h,above the ground Potential energy =mgh As ball falls,its… Read More »

Transformation of energy

Question 1 What do you mean by transformation of energy? Question 2 Explain the transformation of energy in Thermal power house? Question 3 Explain the transformation of energy in electric motor? Question 4 Explain the transformation of energy in generator? Question 5 Explain the transformation of energy in electric bulb? Transformation of Energy The change of one form of energy into… Read More »