Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Dual Nature of Radiation and Matter

Question:

A student draws a graph between stopping potential V0(y-axis) and the reciprocal of the wavelength $\left(\frac{1}{\lambda}\right)$ of the incident radiation on the x-axis. What is the slope of the graph?

Options:

$\frac{h}{e}$

$\frac{h c}{e}$

$\frac{h}{c e}$

$\frac{e}{c h}$

Correct Answer:

$\frac{h c}{e}$

Explanation:

The correct answer is Option (2) → $\frac{h c}{e}$