Fraunhofer lines of the solar system are an example of

  • A
    Emission spectrum
  • B
    Emission band spectrum
  • C
    Continuous emission spectrum
  • D
    Line absorption spectrum

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Similar Questions

The intensity of $X$-rays from a Coolidge tube is plotted against wavelength as shown in the figure. The minimum wavelength found is ${\lambda _c}$ and the wavelength of the ${K_\alpha }$ line is ${\lambda _k}$. As the accelerating voltage is increased:

$X$-rays are produced when ...

The continuous part of $X$-ray spectrum is a result of the

The $K_{\alpha}$ $X$-ray emission line of tungsten occurs at $\lambda = 0.021 \ nm$. The energy difference between $K$ and $L$ levels in this atom is about:

Assertion: $X-$rays travel with the speed of light.
Reason: $X-$rays are electromagnetic rays.

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