Plasmas/Plasma objects/Lightning/Quiz

Lightning is a lecture and an article from the charge ontology research project on the origin and constitution of lightning.

File:1024px--D3- LighningStormPanorama.jpg

A lightning storm over England is imaged. Credit: Catalin Fatu.

You are free to take this quiz based on lightning at any time.

To improve your score, read and study the lecture, the links contained within, listed under See also, External links, or in the {{charge ontology}} template. This should give you adequate background to get 100 %.

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Enjoy learning by doing!

Quiz

Point added for a correct answer:
Points for an incorrect answer:
Ignore the questions' coefficients:

1 Complete the text:

A composite spectrum is approximately a law over at least the ≈ 5 decade wavenumber range 10-13 m-1 < wavenumber < 10-8 m-1 and that may extend to wavenumbers.

2 True or False, Some lightning that occurs is actually positive charges moving downward to the Earth's surface.

	TRUE
	FALSE

3 Which of the following are associated with electromagnetics?

	angular momentum transfer
	solar wind
	protons
	electrons
	the baryon neutrino
	charge neutralization

4 True or False, Like all elementary particles, the electron has a corresponding antiparticle of opposite spin but equal mass and charge (-1).

	TRUE
	FALSE

5 Spin-charge separation has which characteristics?

	a chargon
	a spinon
	taking place inside solids
	extremely tight confinement
	neutron affinity
	X-ray absorption

6 True or False, Cloud-to-cloud lightning occurs between charged portions of clouds with opposite sign.

	TRUE
	FALSE

7 TeV muons from gamma-ray primaries are rare because?

	only produced by higher energy gamma rays
	suppressed gamma-ray flux
	decreasing flux at the source
	GeV gamma rays
	absorption
	interstellar light

8 True or False, Some lightning strikes may be originated by cosmic rays.

	TRUE
	FALSE

9 Complete the text:

Charged-current charged pion production is a process in which a interacts with an atomic and produces a , a charged and recoiling nuclear fragments.

10 True or False, Antilightning is lightning spinning backward in time.

	TRUE
	FALSE

Hypotheses

Main resource: Hypotheses

1. Lightning is an effort by the Earth to balance charges impinging on the ionosphere from the solar wind.

See also

• Electron astronomy/Quiz