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

a. gold wire cable

b. light-path cable

c. fiber optic cable

d. copper wire cable

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

a. They are less prone to damage

b. They are made up of fibers of glass or plastic.

c. They carry electric current to transmit electric signals.

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

3. Which region of the electromagnetic spectrum can be used in detecting counterfeited bank notes? *

a. X-ray

b. Infrared

c. Microwaves

d. Ultraviolet ray

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

a. Photo X

b. X-graphs

c. Radiographs

d. Electrographs

5. In which fields do soft X-rays are primarily used for? *

a. medicine

b. construction

c. architecture

d. national security

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