(d) $\left\{ \begin{array}{r} Photoelectric\ effect\ \rightarrow Particle\ nature \\ Diffraction\ \rightarrow Wave\ nature\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \end{array} \right\}$ Dual nature
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.