International Sales Executive Interview Questions and Answers for Freshers

Extinction angle refers to the angle at which light is completely blocked by a crystal under crossed polarizers.

• Extinction angle is used in mineralogy to identify minerals based on their optical properties.

• It is measured by rotating a thin section of a mineral under crossed polarizers until the light is completely blocked.

• Different minerals have different extinction angles, which helps in their identification.

• Extinction angle can also be used to determine the orientation of c...read more