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X-rays were discovered by...

X-rays were discovered by

A

Wilhelm K. Roentgen

B

H. Kissinger

C

Sir C. V. Raman

D

Meghnad Saha

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The correct Answer is:
A
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MOTION-ATOMIC STRUCTURE & X-RAY -Exercise - 2
  1. For X–ray diffraction, order of wave length is

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  2. Hard X–rays for the study of fractures in bones should have a minimum ...

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  3. X-rays were discovered by

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  4. Which of the following is the wave length of X– ray:

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  5. For producing the X–rays, what is the value of voltage (nearly), which...

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  6. For first order X–ray diffraction if lattice constant is 3 xx 10^(–8) ...

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  7. lambda("min") of X-rays depends on :-

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  8. The order of energy of X-ray photon is :-

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  9. If vacuum tube is operated at 6.4 kV, what is the wavelength of X-ray ...

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  10. When electron is incident on molyblednum then by changing energy of el...

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  11. The groud state energy of hydrogen atom is -13.6 eV. When its electron...

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  12. The ionization enegry of the electron in the hydrogen atom in its grou...

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  13. In a Rutherford scattering experiment when a projectile of change Z(1)...

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  14. An electrons of a stationary hydrogen aton passes form the fifth enegr...

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  15. Ratio of longest wavelengths corresponding to Lyman and Balmer series ...

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  16. Electrons with de- Broglie wavelength lambda fall on the target in an ...

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  17. If an electron in a hydrogen atom jumps from the 3rd orbit to the 2nd ...

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  18. When an alpha-particle of mass 'm' moving with velocity 'v' bombards o...

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  19. Given the value of Rydberg constant is 10^(7)m^(-1), the waves number ...

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  20. Suppose the charge of a proton and an electron differ slightely. One o...

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