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CPL Test Series
Question Bank
Questions for IC OPTICAL
Answer the following questions
Test Mode
Training Mode
1. Halo round the sun shows a pure clear _____ on the outside
Red
Violet
Yellow
2. Halo occurs from ____ cloud
Low
High
Medium
3. Corona are formed due to the ______ of light
Refraction
Diffraction
Scattering
4. Aurora Borealis occur in the
N hemisphere
S hemisphere
Equator
5. Aurora Australis called _____ Lights
Temperate
Southern
Northern
6. Superior Mirage occurs marked
Inversion
Isothermal
Lapse
7. Sometimes a halo with a radius of ______ is observed, called Large Halo
32°
42°
22°
8. Aurora Australis occur in the
N hemisphere
Equator
S hemisphere
9. Corona are formed due to light, passing through
small water or ice particles only
Mist only
Fog only
Any one of all these
10. Corona occur in ______ clouds
NS
CS
AS
11. Halo signifies predominance in the cloud of
Supercooled water drops
Both
Ice crystals
12. The cloud which cause Halo has ______ chances of ice accretion
negligible
medium
maximum
13. Halo is produced by
Scattering
Diffraction
Refraction
14. Inferior Mirage occurs when there is
Lapse
Inversion
Isothermal
15. Halo is luminous ring of ______ radius
22°
42°
32°
16. Aurora Borealis are called ______ Lights
Temperate
Southern
Northern
17. The radius of the Bishop's ring is about
32°
42°
22°
18. Halo is produced when light passes through
water particles
ice crystals
both
19. Bishop's ring is due to the diffraction of light by fine particles of
Water
dust
ice
20. Halo occur in the cloud
AS
CS
NS
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