A metal block is exposed to beams of X-ray of different wavelength. X-rays of which wavelength penetrate most
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Verified by ExpertsThe correct answer is:
A
Identify the relationship between wavelength and penetration power of X-rays. Shorter wavelengths correspond to higher energy and greater penetration power.
Compare the given wavelengths: 
, and 
. The shortest wavelength is 
.
X-rays with a wavelength of 
will penetrate the most.
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