Reflection of Light Quiz

Reflection of Light

Laws of Reflection

• The incident ray, the reflected ray, and the normal to the mirror are all in the same plane.
• The angle of incidence is equal to the angle of reflection.
• The incident ray and the reflected ray are on opposite sides of the normal.

Types of Reflection

• Specular Reflection: Reflection from a smooth surface, resulting in a clear and mirror-like image.
• Diffuse Reflection: Reflection from a rough surface, resulting in a scattered and distorted image.

Mirror Equation

• 1/f = 1/do + 1/di
  • f: focal length of the mirror
  • do: object distance
  • di: image distance

Characteristics of Reflected Light

• Polarization: Reflection can cause light to become polarized, depending on the angle of incidence and the properties of the reflecting surface.
• Intensity: The intensity of the reflected light depends on the reflectivity of the surface and the angle of incidence.

Applications of Reflection

• Mirrors: Used in optics, telescopes, and lasers.
• Optical Fibers: Total internal reflection is used to confine light signals within the fiber.
• Radar and Lidar: Reflection is used to detect and measure distances to objects.

Laws of Reflection

• Incident ray, reflected ray, and normal to the mirror lie in the same plane.
• Angle of incidence equals angle of reflection.
• Incident ray and reflected ray are on opposite sides of the normal.

Types of Reflection

• Specular Reflection: Smooth surface reflection, producing a clear and mirror-like image.
• Diffuse Reflection: Rough surface reflection, resulting in a scattered and distorted image.

Mirror Equation

• 1/f = 1/do + 1/di, where:
  • f: focal length of the mirror
  • do: object distance
  • di: image distance

Characteristics of Reflected Light

• Polarization: Reflection can cause light to become polarized, depending on incidence angle and surface properties.
• Intensity: Reflected light intensity depends on surface reflectivity and incidence angle.

Applications of Reflection

• Mirrors: Used in optics, telescopes, and lasers.
• Optical Fibers: Total internal reflection confines light signals within the fiber.
• Radar and Lidar: Reflection detects and measures distances to objects.

Test your knowledge of the laws of reflection, types of reflection and other concepts related to the reflection of light.