Question 11 MarkCoal and petroleum are renewable source of energy.AnswerFalse. Coal and petroleum are non-renewable source of energy.View full question & answer→
Question 21 MarkNuclear energy is released when the nucleus of an atom energy.AnswertrueView full question & answer→
Question 31 MarkThe energy stored in fire crackers is in the form of magnetic energy.AnswerThe energy stored in fire crackers is in the form of chemical \ energy.View full question & answer→
Question 41 MarkIf a car and a motorcycle are running at the same speed, then both will have same kinetic energy.AnswerFalse. If a car and a motorcycle are running at the same speed, then both will not have same kinetic energy.View full question & answer→
Question 51 MarkWork is said to be done only if a force is applied on a body.AnswerFalse. Work is said to be done only if a force is applied on a body and the body gets displaced.View full question & answer→