Module 2_4 Quiz

1. Which of the following are in the solar wind?

a) Protons and alpha particles (helium nuclei)
b) Visible light photons
c) Ultraviolet photons
d) X-ray photons
e) None of the above

2. Which of the following are in solar EM radiation?

a) Protons and alpha particles (helium nuclei)
b) Visible light photons
c) Ultraviolet photons
d) X-ray photons
e) b, c, and d above

3. What causes geomagnetic storms?

a) Meteors
b) Coronal Mass Ejections
c) Super Nova Stars
d) Earth Magnetic field reversals
e) Lightning at high elevation

4. Where are the effects on HF transmissions from geomagnetic storms strongest?

a) Near the equator
b) At the north or south magnetic poles
c) Oer large ocean areas
d) On the side of the earth facing the moon
e) In auroral zones

5. Which of the following events would occur first following a Coronal Mass Ejection?

a) Sudden Ionospheric Disturbance (SID)
b) Polar Cap Absorption
c) Ionospheric Storms
d) Sporadic E
e) Spread F

6. Which of the following can occur 20 to 40 hours after a Coronal Mass Ejection?

a) Sudden Ionospheric Disturbance (SID)
b) Polar Cap Absorption
c) Ionospheric Storms
d) Sporadic E
e) Spread F

7. Which of the following is caused by high energy protons and alpha particles?

a) Sudden Ionospheric Disturbance (SID)
b) Polar Cap Absorption
c) Ionospheric Storms
d) Sporadic E
e) Spread F

8. Which of the following ionospheric disturbances is in the class of transient phenomena?

a) Sudden Ionospheric Disturbance (SID)
b) Polar Cap Absorption
c) Ionospheric Storms
d) Sporadic E
e) All of the above