Reflection Types and Properties

The video tutorial introduces the concept of reflection, explaining how we see objects due to reflected light. It describes the roles of incoming and outgoing rays and the concept of the normal line. The tutorial differentiates between specular and diffuse reflection, providing examples of each. Specular reflection occurs on smooth surfaces like mirrors, while diffuse reflection happens on rough surfaces. The video concludes with a summary and encourages viewers to engage further by taking a quiz and following on social media.

What are the two types of rays involved in reflection?

• Incoming and outgoing rays

• Direct and indirect rays

• Parallel and perpendicular rays

• Horizontal and vertical rays

What is the imaginary line called that is perpendicular to the surface where light reflects?

• Equator

• Median

• Normal

• Axis

According to the law of reflection, what is true about the angle of incidence and the angle of reflection?

• They are complementary

• They are always different

• They are equal

• They are supplementary

What type of reflection occurs on a smooth surface?

• Scattered reflection

• Specular reflection

• Diffuse reflection

• Random reflection

Which of the following is an example of specular reflection?

• Reflection from a carpet

• Reflection from a frosted glass

• Reflection from a mirror

• Reflection from a rough wall

What happens to light rays during diffuse reflection?

• They are absorbed completely

• They reflect in the same direction

• They disappear

• They scatter in multiple directions

Why can't you see your reflection on a rough surface?

• Because the surface is too dark

• Because the light is absorbed

• Because the light is scattered in many directions

• Because the light is too weak

Which objects in a room are likely to show a clear reflection?

• Curtains and carpets

• Mirrors and shiny pots

• Books and papers

• Walls and ceilings

What is the main reason for not seeing a clear image on a fabric surface?

• The fabric is too light

• The fabric has minute roughness

• The fabric is too dark

• The fabric absorbs all light

What did we learn about in this video?

• The types of reflection: diffuse and specular

• The types of light sources

• The types of lenses

• The types of mirrors