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  2. Write the range of wavelength of the following electromagnetic radiations: (a) Infrared rays (b) Ultraviolet rays (c) - rays
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Write the range of wavelength of the following electromagnetic radiations:

(a) Infrared rays

(b) Ultraviolet rays

(c) \gamma- rays

 

 

 
 
 
 
 

Answers (1)
S safeer

(a) Infrared rays 

(i) Range of wavelength - 700nm to 1 mm

USE:-

Electronic devices like semiconductor LEDs emit infrared and are widely used in remote switches of household electronic systems such as TV sets, video recorders and Wi-fi systems.

(b) Ultraviolet rays

(i) Range of wavelength -

 6\times 10^{-10}m to 4\times 10^{-7}m

USE:-

These rays are used in eye surgeries like LASIK and are also used to kill germs in water purifiers.

(c) \gamma - rays (Gamma rays)

(i) Range of wavelength 

 10^{-10}m\ to\ 10^{-14}nm

USE:-

These rays are used in medicine to destroy cancer cells.

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