I believe that would be option C. hemoconcentration.
Hope it helps!
Answer:
a)
b)
Explanation:
a) When, wavelength=λ=250 nm
b) When, λ=600 nm
<span>If a negatively charged rod is brought near a neutral metal sphere, no attraction would happen since the neutral sphere has no available positive charges. So, the rod won't be attracted to the sphere. Hope this answers the question. Have a nice day.</span>
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