Question

The work function of silver and sodium are $4.6$ and $2.3$ $eV$ respectively. The ratio of the slope of the stopping potential versus frequency plot for silver to that of sodium is:

• A. 2
• B. 1
• C. 3
• D. 4

Answer 1

Answer: (B)

1

Slope of graph $\left(h/e\right)=$ constant
$\therefore$ Ratio of slope $=1$