Light Wave Interactions and Properties

The video tutorial covers the fundamental properties of light, including rectilinear propagation, reflection, refraction, diffraction, interference, polarization, and the photoelectric effect. Each property is explained with examples, such as how light travels in straight lines, reflects at boundaries, bends in different media, spreads at edges, interferes with other waves, changes through crystals, and causes electron emission.

What is the term for light traveling in a straight line unless reflected or the medium changes?

• Diffraction

• Rectilinear Propagation

• Interference

• Polarization

What happens to light when it reflects off a surface?

• It changes color

• It returns to the same medium

• It spreads out

• It bends

When light enters a different medium and changes direction, what is this called?

• Diffraction

• Reflection

• Refraction

• Polarization

What occurs when light waves encounter an edge or aperture and spread out?

• Polarization

• Refraction

• Diffraction

• Reflection

What is the result of light waves from two sources interacting with each other?

• Polarization

• Refraction

• Interference

• Diffraction

What happens to light when it passes through certain crystals and its absorption changes?

• It diffracts

• It polarizes

• It refracts

• It reflects

What is the phenomenon called when electrons are emitted from a metal surface due to light?

• Interference

• Diffraction

• Polarization

• Photoelectric Effect

Which property of light involves the emission of electrons from a metal surface?

• Diffraction

• Photoelectric Effect

• Interference

• Rectilinear Propagation