Light Is Usually Thought of as Wave-Like in Nature and Electrons

Multiple Choice

Light is usually thought of as wave-like in nature and electrons as particle-like. In which one of the following instances does light behave as a particle or does an electron behave as a wave?

A) A Young's double slit experiment is conducted using blue light.
B) X-rays are used to examine the crystal structure of sodium chloride.
C) Water is heated to 99.0 ^oC in a microwave oven.
D) An electron enters a parallel plate capacitor, which deflects the electron downward.
E) A beam of electrons is diffracted as it passes through a narrow slit.