Multiple choice

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?

  1. Only (i)

  2. Only (ii)

  3. Both (i) and (ii)

  4. Neither (i) nor (ii)
Reveal answer Fill a bubble to check yourself
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.

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