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JEE Mains · Physics · STD 12 - 8. Electromagnetic waves

Match List-\(I\) with List-\(II\) :-
List - \(I\) (EM-Wave)List - \(II\) (Wavelength) (Range)
\((A)\) infra-red\((i)\) \(<10^{-3} \mathrm{~nm}\)
\((B)\) Ultraviolet\((ii)\) \(400 \mathrm{~nm}\) to \(1 \mathrm{~nm}\)
\((C)\) X-rays\((iii)\) \(1 \mathrm{~mm}\) to \(700 \mathrm{~nm}\)
\((D)\) Gamma rays\((iv)\) \(1 \mathrm{~nm}\) to \(10^{-3} \mathrm{~nm}\)
Choose the correct answer from the options given below:

  1. A \((A)-(II), (B)-(I), (C)-(IV), (D)-(III)\)
  2. B \((A)-(III), (B)-(II), (C)-(IV), (D)-(I)\)
  3. C \((A)-(IV), (B)-(III), (C)-(II), (D)-(I)\)
  4. D \((A)-(I), (B)-(III), (C)-(II), (D)-(IV)\)
Verified Solution

Answer & Solution

Correct Answer

(B) \((A)-(III), (B)-(II), (C)-(IV), (D)-(I)\)

Step-by-step Solution

Detailed explanation

Infrared is the least energetic thus having biggest wavelength \((\lambda)\) and gamma rays are most energetic thus having smallest wavelength.
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