CBSE Sample Papers for Class 12 Physics Solved 2016 Set 1

                                      Section A

1.The plot of the variation of potential difference across a combination of three identical cells in series versus current is as
shown alongside. What is the emf of each cell?

2.State Bohr’s postulate of quantization of angular momentum of the orbiting electron in hydrogen atom

3.What is sky wave propagation?

                                  Section B

                               Section C

                             Section D

                              Section E

Answers

                                 Section A

1.The plot of the variation of potential difference across a combination of three identical cells in series versus current is as
shown alongside. What is the emf of each cell?

Sol.

2.State Bohr’s postulate of quantization of angular momentum of the orbiting electron in hydrogen atom
Sol.

3.What is sky wave propagation?
Sol.A radiowave of frequency range 2 MHz to 20 MHz can be directed towards the sky and reflected by the ionosphere towards desired location of the Earth, called as sky wave propagation.

                                     Section B

                                      Section C

                                     Section D

                                    Section E

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