Consider the following statements:
(i) The diameter of human hair is in nano range.
(ii) The heating of nanopores (tiny biomolecular chambers) may help doctors diagnose diseases.
Which of the given statements is/are correct?
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Only (i)
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Only (ii)
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Both (i) and (ii)
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Neither (i) nor (ii)
A
Correct answer
Explanation
Statement (i) is correct. The approximate diameter of human hair is 75,000 nm.
Statement (ii) is wrong. A nanopore is used to transform electricity into light without excessive loss of energy due to heating, which, on heating, helps doctors diagnose diseases.