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CBSE

Subject

Physics

Multiple Choice Questions

11.  

Which of the following is a characteristic of an exothermic reaction?



    12.  

    The washing machine works on the principle of ____________.



      13.  

      In a qualitative way, the tendency of undisturbed objects to stay at rest or to keep moving with the same velocity is called .............



        14.  

        A galvanometer can be converted into a voltmeter by connecting with it a



          15.  

          Which phenomenon is responsible for the echo of sound wave?



            16.  

            A body moving in a circular path with a constant speed has a ........



              17.  

              The modulus of rigidity is the ratio of



                18.  

                The strength of a force is usually expressed by its...........



                  19.  

                  Heat is transmitted from higher temperature to lower temperature through the actual motion of the molecules is



                    20.  

                    Transformer is a device to convert



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