Quiz on Modern Materials

What is one of the objectives of learning about modern materials?

• To memorize historical materials

• To recognize a range of modern materials

• To ignore new developments in materials

• To focus only on traditional materials

What characteristic of fibre optics allows for fast data transfer?

• Heavy weight

• Flexible cable

• Thick cladding

• Rigid structure

What is a potential use of graphene?

• Textile industry

• Medical industry

• Culinary arts

• Agriculture

What is the main advantage of LCDs?

• High cost

• High power consumption

• Low cost and low power

• Heavy weight

What is the function of backlighting in LCDs?

• To increase weight

• To enable viewing in poor light

• To reduce power consumption

• To emit sound

Why are LCD displays ideal for use in a wristwatch?

• High power consumption

• Low power consumption

• Heavy and bulky

• High contrast

What is the appearance of monochrome LCD versions?

• Full color images

• Solid areas that appear dark when voltage is applied

• Bright and colorful

• Transparent

Which of the following is a characteristic of LCD screens?

• High power consumption

• Thick and heavy

• Crisp sharp image

• Excellent contrast

What is the size range of nanomaterials?

• 1 to 1000 nanometres

• 1000 to 10,000 nanometres

• 10 to 100 micrometres

• 1 to 10 micrometres

Which of the following is NOT a nanomaterial?

• Carbon nanotubes

• Quantum dots

• Human hair

• Fullerenes