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Electromagnetic Waves — Physics STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 SciencePhysicsElectromagnetic Waves1 Mark
MCQ
If $\lambda_v, \lambda_{ x }$ and $\lambda_{ m }$ represents wavelengths of visible lights, X-rays and microwaves respectively, then :
  • A
    $\lambda_{ m }>\lambda_{ x }>\lambda_{ y }$
  • ✓
    $\lambda_{ m }>\lambda_{ v }>\lambda_{ x }$
  • C
    $\lambda_{ v }>\lambda_{ x }>\lambda_{ m }$
  • D
    $\lambda_{ v }>\lambda_{ m }>\lambda_{ x }$
✓

Answer

Correct option: B.
$\lambda_{ m }>\lambda_{ v }>\lambda_{ x }$
(b)$\lambda_{ m }>\lambda_{ v }>\lambda_{ x }$

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