$A$ charged gold leaf electroscope has its leaves apart by a certain amount with enclosed air. When the electroscope is subjected to $X$-rays,then the leaves

  • A
    Further dilate
  • B
    Start oscillating
  • C
    Collapse
  • D
    Remain unaltered

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Similar Questions

When are characteristic $X$-ray emissions produced?

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

$A$ hydrogen atom does not emit $X$-rays because

$X$-rays are produced when ...

The energy of an $X$-ray photon of wavelength $1.65 \mathring{A}$ is ....... $keV$. $(h = 6.6 \times 10^{-34} \ J \cdot s, \ c = 3 \times 10^8 \ m/s, \ 1 \ eV = 1.6 \times 10^{-19} \ J)$ (in $.5$)

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