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7. Which among the following situations is an application of RADAR?
Air and sea navigation of planes and ships
b. Circuit system used in a computer
c. Heating food using a microwave
d. All of the above
8. What is the term used to connect the antenna to the transmitter and receiver during signal
reception?
a. Duplexer
c. Indicator
b. Echo signal
d. Switch
9. Which among the following best describes the use of a laser?
a. Watching in an analog television
c. Listening to music on the radio
b. Playing a remote-controlled car
d. Storing files in a CD
10. Which laser component is responsible for providing energy to the system?
a. Lasing medium
c. Photodiode
b. Optical Resonator
d. Pump​

Sagot :

Navidadjyraidn

Answer:

a

d

d

Explanation:

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