Physics · 2014
JEE Main · 9 April 2014, Shift 1 · Q22
Match List I (Wavelength range of electromagnetic spectrum) with List II. (Method of production of these waves) and select the correct option from…
Match List I (Wavelength range of electromagnetic spectrum) with List II. (Method of production of these waves) and select the correct option from the options given below the lists.
| List I | List II | ||
| (a) | $\displaystyle 700$ nm to $\displaystyle 1$ mm | (i) | Vibration of atoms and molecules. |
| (b) | $\displaystyle 1$ nm to $\displaystyle 400$ nm | (ii) | Inner shell electrons in atoms moving from one energy level to a lower level. |
| (c) | $\displaystyle <10^{-3} \mathrm{~nm}$ | (iii) | Radioactive decay of the nucleus. |
| (d) | $\displaystyle 1$ mm to $\displaystyle 0.1$ m | (iv) | Magnetron valve. |
Official answer
(4)
(a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
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JEE Main 2014 Physics question, with the answer from NTA’s final answer key. Where our answers come from.