Question Bank

1. Sometimes a halo with a radius of ______ is observed, called Large Halo

2. Corona are formed due to the ______ of light

3. Corona are formed due to light, passing through

4. Bishop's ring is due to the diffraction of light by fine particles of

5. Halo signifies predominance in the cloud of

6. Halo round the sun shows a pure clear _____ on the outside

7. Aurora Australis called _____ Lights

8. The radius of the Bishop's ring is about

9. Aurora Borealis occur in the

10. Halo is produced by

11. Inferior Mirage occurs when there is

12. Aurora Australis occur in the

13. Superior Mirage occurs marked

14. Corona occur in ______ clouds

15. Halo is produced when light passes through

16. The cloud which cause Halo has ______ chances of ice accretion

17. Halo is luminous ring of ______ radius

18. Halo occurs from ____ cloud

19. Aurora Borealis are called ______ Lights

20. Halo occur in the cloud