Quarter 2, Module 4 Pretest

1. Which of the following cables can be used to transmit signal in the form of light?

• gold wire cable

• light-path cable

• fiber optic cable

• copper wire cable

2. Which of the following is NOT TRUE about fiber optic cables?

• They are less prone to damage.

• They are made up of fibers of glass or plastics.

• They carry electric current to transmit data signals.

• They carry signal faster as compared to copper wire cables.

3. Which region of the electromagnetic spectrum can be used in detecting counterfeited banknotes?

• X-ray

• infrared

• Microwave

• Ultraviolet

4. What do you call a photograph made with X-rays?

• Photo-X

• X-graphs

• Radiographs

• Electrographs

5. In which field do soft x-rays are primarily used for?

• Medicine

• Construction

• Architecture

• National Security