Which of the following statements about the threshold frequency is correct? a. Threshold frequency is the same for all metals.
b. Threshold frequency depends on the intensity of the incident radiation.
Threshold frequency depends on the frequency of the incident photon.
d. Threshold frequency depends on the work function of a metal.
c.

D

Explanation:

The answer is D threshold frequency depends on the work function of a metal



Patient surveys

Electronic health records

Explanation:

In research, Data collection is a necessary step to take. The main reason for data collection is to carry out study purpose, answer research questions, test hypothesis(es), provide evidence about the area of study anf to test the validity and reliability of study instruments used.

For effectiveness to be known, it is important to know terms closely.

Patient satisfaction can be gathered through the patient survey because patient can give you firsthand information. Postpartum complications can be know by the electronic health records. By assessing the records, you will find more information.