Question 37: Dual Nature of Matter and Radiation

Question

The work functions 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 ___________.

Accepted Answer

We have,
$$V = {{hf} \over e} - {\phi  \over e}$$
Slope is h/e.
Slope is the same for both silver and sodium.
Therefore, the ratio of the slope of the stopping potential versus frequency plot for silver to that of sodium is 1 : 1.

Dual Nature of Matter and Radiation

The work functions 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 ___________.

Choose the correct answer: