Exam 19: Air Pollution

Referring to the figure below, at which point is there a red-coloured band of light in the secondary rainbow?

Which of the following is an accurate statement about a superior mirage?

Sketch a rainbow. Show the correct positions of the primary and secondary bow and the proper order of colours in each. Where is the sun in your picture?

Which of the following processes is the main cause of cloud iridescence?

-Two people are looking at a rain shower. Which person will see a rainbow?

Which of the following describes the Fata Morgana?

Which of the following processes mainly explains the blue colour of distant mountains?

Which of the following processes results in halos?

In the figure below, two people are looking at the same point in the sky. Which of the following types of light does person A see?

Which of the following describes when the twinkling of a star would be most pronounced?

Which of the following situations is likely if the setting sun appears red?

Which of the following gives the name for a faint ring of light that surrounds the shadow of an observer's head on a dew-covered lawn?

Which of the following terms refers to the process that produces crepuscular rays in the atmosphere?

Which of the following describes the electromagnetic radiation that constitutes white light?

Describe the changes in appearance of a late-afternoon rainbow as the sun sinks toward the horizon.

Which of the following atmospheric phenomena is produced by the diffraction of light around small water droplets?

Distinguish between the processes of reflection, refraction, and scattering of light. Give an example of an atmospheric phenomena produced by each one. Which of these processes produces dispersion?

Which of the following explains why clouds appear white when the sun is shining?

Which of the following describes how the sky would appear during the day, if the Earth did not have an atmosphere?

Which of the following phenomena is caused by the diffraction of light?