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CBSE

Subject

Physics

Multiple Choice Questions

11.  

If an electron and a photon have the same wavelength, then they will have the same



    12.  

    What is the SI unit of intensity of sound?



      13.  

      Which one of the following is responsible for the working of Newton's color disc experiment?



        14.  

        Which among the following is false about displacement?



          15.  

          The motion of a freely falling body is an example of .......... motion.



            16.  

            The washing machine works on the principle of ____________.



              17.  

              On which principle does the hydraulic lift works?



                18.  

                If the speed of an object moving along a straight line is constant, its motion is said to be ..........



                  19.  

                  The unit of electrical power is



                    20.  

                    Soap bubble attains spherical shape due to..........



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