4. Which of the following technology uses microwaves?
a. laser
b. remote control
C.TV
d. mobile phones​


Sagot :

Explanation:

Microwaves are widely used in modern technology, for example in point-to-point communication links, wireless networks, microwave radio relay networks, radar, satellite and spacecraft communication, medical diathermy and cancer treatment, remote sensing, radio astronomy, particle accelerators, spectroscopy, industrial ...

b.remote control

Explanation:

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