Question

1. which of the following is a use of infrared?

a. broadcast television
b. cooking food
c. x - rays
d. night vision goggles

Explanation:

Infrared radiation is used in night - vision goggles as it can detect heat signatures and work in low - light or no - light conditions. X - rays are a different type of electromagnetic radiation used for imaging bones and other dense structures. Cooking food mainly involves heat transfer by conduction, convection, and sometimes microwaves (a different part of the electromagnetic spectrum). Broadcast television uses radio waves for signal transmission.

Answer:

night vision goggles