Question

2. Select those objects from the following which shine:

Glass bowl, plastic toy, Steel spoon, cotton shirt

Answer 1

• The inherent property of materials that show a shiny appearance is called lustre and loses their shiny appearance due to the action of air and moisture.
• The objects which show a shiny appearance: Steel spoon, Glass bowl
• The objects which do not show a shiny appearance are known as non-lustrous material.
• Example: Plastic toys, Cotton shirt