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Atomic spectra contain well defined disc...

Atomic spectra contain well defined discrete lines.

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ICSE-STRUCTURE OF ATOM-True Or False Type Questions
  1. The gas taken in a discharge tube glows when a high voltage is passed ...

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  2. Cathode rays produce ............when they strike metals.

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  3. The e/m value for cathode rays depends upon the nature of the gas take...

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  4. Canal rays travel in a straight line.

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  5. The ionising power of alpha -rays is maximum.

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  6. Calculate the wavelength of a photon in Angstroms having an energy of ...

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  7. Atomic number of an ion is the same as the number of electrons present...

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  8. The symbol ""(1)^(3)H indicates that the given hydrogen atom has a mas...

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  9. Do isobars possess similar chemical properties?

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  10. All types of waves are electromagnetic in nature.

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  11. The frequency of an electromagnetic radiation is 2×10 ^ 6 Hz. What is...

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  12. The radiant energy is emitted or absorbed continuously in the form of ...

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  13. Atomic spectra contain well defined discrete lines.

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  14. According to Bohr, .Angular momentum of an orbiting electron is quanti...

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  15. Bohr's model is unable to explain the stability of an atom.Discuss

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  16. The transitions corresponding to Lyman series involve very long wavele...

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  17. The kinetic energy of an electron is 4.55×10 ^ (−25) J. Calculate the...

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  18. The position and velocity of earth can be determined simultaneously wi...

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  19. A 600 W mercury lamp emits monochromatic radiation of wavelength 331.3...

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