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Standard XII

Chemistry

Bohr's Model of a Hydrogen Atom

Among the fol...

Question

Among the following which one is correct ?

X-ray continuous spectra is formed due to acceleration of cathode rays

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The energy of hard X-rays is small

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The energy of soft X-rays is high

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X-ray characteristic line spectra is formed due to removal of electrons from the target atom by the cathode rays

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Solution

The correct option is C X-ray characteristic line spectra is formed due to removal of electrons from the target atom by the cathode rays
formation of characteristics X-rays is a results of removal of electron from inner shell, corresponding $△ E$ of higher & vacant shell is converted into X-rays.

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Similar questions

Q. The binding energy of the innermost electron in tungsten is 40 keV. To produce characteristic X-rays using a tungsten target in X-ray tube the potential difference 'V' between the cathode and the anti-cathode will be

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The binding energy of the innermost electron in tungsten is 40 keV. To produce characteristic X-rays using a tungsten target in an X-rays tube the potential difference V between the cathode and the anti-cathode should be

(a) What are the cathode rays? What is the nature of charge on cathode rays?
(b) Explain how cathode rays are formed from the gas taken in the discharge tube.
(c) What conclusion is obtained from the fact that all the gases form cathode rays?

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I. The velocity of cathode rays increases to .... times
II. The energy of cathode rays increases to.... times

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Among the following which one is correct ?

The correct option is C X-ray characteristic line spectra is formed due to removal of electrons from the target atom by the cathode raysformation of characteristics X-rays is a results of removal of electron from inner shell, corresponding △E of higher & vacant shell is converted into X-rays.

The correct option is C X-ray characteristic line spectra is formed due to removal of electrons from the target atom by the cathode rays
formation of characteristics X-rays is a results of removal of electron from inner shell, corresponding $△ E$ of higher & vacant shell is converted into X-rays.