Blender Blender Materials & Shading 2

Question 1

What does the 'Metallic' input in the Principled BSDF control?

Accepted Answer

Whether the surface behaves as a metal or a dielectric (non-metal)

Answer

Object density

Answer

Surface shininess only

Answer

Reflection intensity independent of color

Question 2

In Blender Shader Editor, what does the 'Mix Shader' node do?

Accepted Answer

Blends two shader inputs together using a factor

Answer

Mixes two color inputs by multiplication

Answer

Converts between shader types

Answer

Mixes emission and diffuse by wavelength

Question 3

What type of textures are created using math nodes and no external image files in Blender?

Accepted Answer

Procedural textures

Answer

Baked textures

Answer

PBR textures

Answer

Vertex painted textures

Question 4

What does the 'Emission' shader node do in Blender?

Accepted Answer

Makes the surface emit light of a specified color and strength

Answer

Absorbs all incoming light

Answer

Emits particles from the surface

Answer

Controls transparency

Question 5

In Blender's Principled BSDF, what does 'Subsurface' scattering simulate?

Accepted Answer

Light penetrating slightly into translucent surfaces like skin or wax

Answer

Light reflecting under water

Answer

Sub-pixel rendering detail

Answer

Underground shadow computation

Question 6

What does the 'Alpha' channel in Blender's Principled BSDF control?

Accepted Answer

Surface transparency (0 = fully transparent, 1 = fully opaque)

Answer

Anisotropy direction

Answer

Ambient occlusion strength

Answer

Anti-aliasing level