Question

The resolving power of an electron microscope operated at 16 kV is R. The resolving power of the electron microscope when operated at 4 kV is

• A. R/4
• B. R/2
• C. 4R
• D. 2R

Answer 1

Answer: (B)

R/2

$\sqrt{\frac{16}{4}}=\frac{R}{x}$

$x=\frac{R}{2}$

option $B$ is correct