Reflection: Specular and Diffuse

Reflection: Specular and Diffuse

Assessment

Interactive Video

Physics, Science, Other

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial introduces the concepts of specular and diffuse reflection. Specular reflection occurs on flat surfaces like mirrors, where light rays reflect at the same angle they hit the surface. Diffuse reflection happens on rough surfaces, causing light to scatter in various directions. Examples of specular reflection include mirrors and smooth water, while diffuse reflection is seen in materials like fabric and wood. The video concludes by highlighting the differences between these two types of reflection.

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main topic discussed in the video?

The laws of motion

Quantum mechanics

Reflection: Specular and Diffuse

The theory of relativity

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do light rays behave when they hit a flat surface in specular reflection?

They reflect at the same angle they hit the surface

They are absorbed by the surface

They scatter in all directions

They pass through the surface

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to light rays during diffuse reflection?

They scatter in various directions

They pass through the surface

They are absorbed completely

They reflect at the same angle

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of a material that exhibits specular reflection?

A piece of wood

A smooth mirror

A cotton t-shirt

A rough stone

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT an example of a material that exhibits specular reflection?

Smooth water

Glass

Fabric

Cut gemstones

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of reflection is exhibited by a cotton t-shirt?

No reflection

Diffuse reflection

Total internal reflection

Specular reflection

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why does a new t-shirt not appear shiny like a mirror?

It reflects light at the same angle

It does not reflect any light

It reflects light in multiple directions

It absorbs all light

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