Electron Diffraction for various materials

1. The diffraction angles in a TEM range typically between what range?
2. Ring diffraction pattern is obtained from:
3. Spotted diffraction pattern is obtained from:
4. A halo around central beam (in diffraction mode) is obtained from:
5. The following diffraction pattern of BCC crystal would have resulted from a zone axis of?
6. The following diffraction pattern of BCC crystal would have resulted from a zone axis of?
7. The following diffraction pattern of BCC crystal would have resulted from a zone axis of?