re: HSC Physics Marathon Archive
y = sqrt(GM/2r) x=sqrt(G2M/r)
y:x
1:4
Q: With reference to the photoelectric effect, and pn-junction, explain the operation of a solar cell (4 Marks)
i. Adv:
-You would know the customers wants and needs and direct them to a tailored product.
-It is relatively cheap marketing strategy compared with some others
Dis:
-Considered highly unethical and may create a bad reputation for the business
-Certain countries consider this behaviour...
It is due to the quality of the school they attend as well as their internal marks, but also some little things in the test that aren't exactly worth a mark, but separate each person (such as putting a $ when working with money)