HW for Thursday Ms H

1. Finish work from previous blog post from me in preparation for the assessed practical
2. Check you understand the derivation of the diffraction grating equation (use links below to help)
3. Do the exam questions I gave out in class
4. Do the summary questions below


http://www.cyberphysics.co.uk/topics/light/A_level/difraction.htm

http://www.antonine-education.co.uk/Pages/Physics_2/Waves/WAV_08/diffraction_grating_formula.htm

1.What is monochromatic light?

2.Where in astronomy do we use diffraction gratings?

3.What path difference condition is necessary for constructive interference?

4.What path difference condition is necessary for destructive interference?