Q1.Access and open the simulation link to get data and follow what to do.

https://applets.kcvs.ca/photoelectricEffect/PhotoElectric.html

A. (Direct marking, 7 marks)

DIRECTION:

1. Choose five (5) metals

2. Determine the lowest frequency of photoelectrons and the wavelength

3. Re-draw Table 1 on a clean paper and enter the data

Table 1

Sample Metals	Lowest frequency to produce photoelectrons (in Hz)	Wavelength (in nm)
1.
2.
3.
4.
5.

B. Choose one (1) metal and calculate the threshold frequency. (Rubric, 10 marks)