Light Phenomena

When a resultant wave has greater amplitude than the individual waves, this is called ___________________

When a resultant wave has a lesser amplitude than the individual waves, this is called _______________.

Mirages are optical illusion often seen on a hot and dry desert. Which of the following causes a mirage to form?

• Reflection

• Total Internal Reflection

• Refraction

• Total Internal Refraction

There are two types of spherical mirrors, concave, and convex mirror. Which type of mirror, will you use if you want to see a wide range of images?

• Convex mirror because it produces a virtual and smaller image

• Concave mirror because it produces both a virtual and a real image

• Both concave and and convex mirror because both can produce clear images of he object.

• Neither concave nor convex mirror because it is more convenient to use a plane mirror.

Which light phenomenon best describe why the sky is blue?

• dispersion of light

• diffraction of light

• scattering of light

• interference of light