To Learn

Question 1

How do you change 66kms^-1Mpc^-1 to normal units, then use it to calculate critical density?

Answer 1

Question 2ci June 2010 g485

Question 2

Ask Webber why answer 2d June 2010 was not all right?

Answer 2

Now

Question 3

Learn when to use W=qV and when to use W=0.5QV?

Answer 3

Now

Question 4

Do pages 8-11 June 2010

Answer 4

Currently got 62 marks?

Question 5

Define parsec and draw diagram to show one parsec

Answer 5

Now

Question 6

When explaining fusion what should you always do?

Answer 6

Refer to NUCLEI not atoms

Question 7

What are the two forms of energy produced in thermonuclear reactions?

Answer 7

Kinetic

EMR photons

Question 8

Ask miss Webber about image intensifier clarification and why it doesn’t use photoelectric effect?

Answer 8

Now

Question 9

Explain Compton scattering of an X-Ray photon?

Answer 9

An X-Ray photon interacts with an electron within the atom.

The electron is ejected and the energy of the scattered photon is reduced.