Easy MCQ +4 / -1 PYQ · JEE Mains 2022

Which is the correct ascending order of wavelengths?

  1. A $\lambda$<sub>visible</sub> < $\lambda$<sub>X-ray</sub> < $\lambda$<sub>gamma-ray</sub> < $\lambda$<sub>microwave</sub>
  2. B $\lambda$<sub>gamma-ray</sub> < $\lambda$<sub>X-ray</sub> < $\lambda$<sub>visible</sub> < $\lambda$<sub>microwave</sub> Correct answer
  3. C $\lambda$<sub>X-ray</sub> < $\lambda$<sub>gamma-ray</sub> < $\lambda$<sub>visible</sub> < $\lambda$<sub>microwave</sub>
  4. D $\lambda$<sub>microwave</sub> < $\lambda$<sub>visible</sub> < $\lambda$<sub>gamma-ray</sub> < $\lambda$<sub>X-ray</sub>

Solution

<p>Wavelength of microwave is maximum then visible light then X-rays and then gamma rays so the correct order will be</p> <p>$\lambda$<sub>gamma-ray</sub> < $\lambda$<sub>Xray</sub> < $\lambda$<sub>visible</sub> < $\lambda$<sub>microwave</sub></p>

About this question

Subject: Physics · Chapter: Electromagnetic Waves · Topic: Maxwell's Equations

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