HSC Question 2008 (1 Viewer)

[tonyzhen]

Hey guys, does anyone have any suggestions on this question?
"how did Einstein's theory of special relativity and his explanation of the photoelectric effect lead to the reconceptualisation of the model of light?"

Thanks

 

[Fizzy_Cyst]

So, there are really 2 parts to this question:

1: How did ESTOR lead to reconceptualization of theory of light


Think About:

- Define Einstein's ESTOR in terms of his 2 postulates
- Speed of light before being relative and distance/time being absolute (Newtonian)
- Speed of light after being constant and distance/time being relative

2. How did his explanation of PE Effect lead to reconceptualization


Think About:

- Describe PE Effect
- Theory of light before being waves (Unable to explain threshold frequency, why intensity does not impact Ek of emitted electrons etc..)
- Theory of light after as light having particle properties, then energy of which is defined by E=hf (explains existence of threshold frequency and why intensity of light has no impact of Ek of electrons etc..)

Then just make a concluding statement showing the model before and after and how ESTOR and his explanation of PE Effect caused changes in the model

 

[tonyzhen]

Ah I see. I think I understand now! Thanks very much for the help!