Chapter Content type Value Position Created at
Chapter 1 - Themes in India... text 246 T HEMES IN NDIAN H ISTORY – P ART III Source 6 moneyl... 40 Delete Content
Chapter 1 - Themes in India... image /default_org/ncert_images/class-xii/h... 41 Delete Content
Chapter 4 - Physics Part-II text Atoms can exist, and each possible state has definite tot... 20 Delete Content
Chapter 4 - Physics Part-II image /default_org/ncert_images/class-xii/p... 21 Delete Content
Chapter 4 - Physics Part-II text Physics 12.4.1 Energy levels The energy of an atom is the... 22 Delete Content
Chapter 4 - Physics Part-II image /default_org/ncert_images/class-xii/p... 23 Delete Content
Chapter 4 - Physics Part-II text Atoms hvif E niE nf (12.11) Since both n fnd n aie intege... 24 Delete Content
Chapter 4 - Physics Part-II image /default_org/ncert_images/class-xii/p... 25 Delete Content
Chapter 4 - Physics Part-II text Physics 2p rn= n l, n = 1, 2, 3... (12.12) Figure 12.8 il... 26 Delete Content
Chapter 4 - Physics Part-II image /default_org/ncert_images/class-xii/p... 27 Delete Content
Chapter 4 - Physics Part-II text Atoms SUMMARY 1. Atom, as a whole, is electrically neutra... 28 Delete Content
Chapter 4 - Physics Part-II image /default_org/ncert_images/class-xii/p... 29 Delete Content
Chapter 4 - Physics Part-II text Physics 8. de Broglie’s hypothesis that electrons have a ... 30 Delete Content
Chapter 4 - Physics Part-II image /default_org/ncert_images/class-xii/p... 31 Delete Content
Chapter 4 - Physics Part-II text Atoms (i) The model is based on just three postulates but... 32 Delete Content
Chapter 5 - Physics Part-II image /default_org/ncert_images/class-xii/p... 1 Delete Content
Chapter 5 - Physics Part-II text Physics Chapter Thirteen NUCLEI 13.1 I NTRODUCTION In the... 2 Delete Content
Chapter 5 - Physics Part-II image /default_org/ncert_images/class-xii/p... 3 Delete Content
Chapter 5 - Physics Part-II text Nuclei different mass unit is used for expressing atomic ... 4 Delete Content
Chapter 5 - Physics Part-II image /default_org/ncert_images/class-xii/p... 5 Delete Content
Chapter 5 - Physics Part-II text Physics atomic electrons is thus (–Ze), and since the ato... 6 Delete Content
Chapter 5 - Physics Part-II image /default_org/ncert_images/class-xii/p... 7 Delete Content
Chapter 5 - Physics Part-II text Nuclei The composition of isotopes of an element can now ... 8 Delete Content
Chapter 5 - Physics Part-II image /default_org/ncert_images/class-xii/p... 9 Delete Content
Chapter 5 - Physics Part-II text Physics Example 13.1 Given the mass of iron nucleus as 55... 10 Delete Content