MCQ
Which is the correct ascending order of wavelengths?
  • A
    $\lambda_{\text {visible }}<\lambda_{ X \text {-ray }}<\lambda_{\text {gamma-ray }}<\lambda_{\text {microwave }}$
  • $\lambda_{\text {gamma-ray }}<\lambda_{ X \text {-ray }}<\lambda_{\text {visible }}<\lambda_{\text {microwave }}$
  • C
    $\lambda_{\text {X-ray }}<\lambda_{\text {gamma-ray }}<\lambda_{\text {visisible }}<\lambda_{\text {microwave }}$
  • D
    $\lambda_{\text {microwave }}<\lambda_{\text {visible }}<\lambda_{\text {gamma-ray }}<\lambda_{\text {X-ray }}$

Answer

Correct option: B.
$\lambda_{\text {gamma-ray }}<\lambda_{ X \text {-ray }}<\lambda_{\text {visible }}<\lambda_{\text {microwave }}$
b
From electromagnetic wave spectrum.

$\lambda$ increases $\longrightarrow$

$\gamma$-ray $x$-rays ultra violet visible infrared microwave Radio wave

$\lambda_{\text {ganma-ray }}<\lambda_{ X \text {-ray }}<\lambda_{\text {visible }}<\lambda_{\text {microwave }}$

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