Question

Name the electromagnetic wave of wavelength range 107å to
1010 Å
and write two important uses of it.
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Answer 1

Electromagnet waves will wavelength range of 1010 A° - 1078 A° are INFRARED RAYS.

Uses of Infrared rays:

• Infra-red rays are extensively used in night-vision goggles.

• They are used in military applications like surveillance, tracking and acquisition of targets.

• They can be used for short-range wireless communication and transmission.

• They are applied to analyse thermal efficiency.

• They are used to check overheating of appliances.

• Most importantly, they are commonly used in TV and AC removes.

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