Problem:
Question 1: What is the dielectric constant of water in room temperature (in terms of ??0)?
A. 80
B. 20
C. 4
D. 2
E. 1
Question 2: What dielectric constant results to higher screening of charge-charge (Coulombic) interactions?
A. 1
B. 2
C. 4
D. 20
E. 80
Please select correct answer and also provide explaination.