Light Phenomena

1. This is the dispersion of sunlight by the water droplets in the atmosphere. It usually appears rainfall.

• rainbow

• halo

• sundogs

• mirage

2. These are two bright spots seen on either sides of the sun or the moon, usually visible when they are close to the horizon.

• rainbow

• halo

• sundogs

• mirage

3. These are caused by sunlight undergoing one internal reflection in the water droplets as it splits into colors.

• mirage

• sundogs

• rainbow

• halo

4. This is a light phenomenon that happens when light shines through clouds that are composed of ice crystals.

• halo

• sundogs

• mirage

• sunsets

5. This is the minimum angle required in the formation of parhelia.

• 30 degrees

• 25 degrees

• 22 degrees

• 40 degrees

6. The light coming from the sun at noon is perceived as white because it passes through the most amount of gas in the atmosphere.

• True

• False

7. Colors observed in the sky are due to the reflection of light.

• True

• False

8. Light with short wavelengths such as red and orange are scattered the most.

• True

• False

9. Blue light passing through the atmosphere is scattered in all directions, especially when the sun is at or near the zenith.

• True

• False

10. Violet light rays are reflected by the upper atmosphere.

• True

• False