Respuesta :
Answer:
decreases
Explanation:
on each collision, the electrons that make up x-rays get absorbed.
Hardness remains constant
What is Hardness of x-rays?
Hardness is the function of energy . No amount of passing through a material can change the wavelength
Hardness is the penetrating power , the higher the voltage used to generate the rays , the shorter the wavelength and more energetic they will be .
so, aluminum filters low energy x- rays which are more likely to to interact with the aluminum and fail to pass through , and leave the higher energy x-ray to pass through.
Hence , Material will not affect the hardness of x rays
option c) Hardness remains constant
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