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What is a quantum?...

What is a quantum?

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The smallest packet of energy of any radiation is called a quantum.
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(i) What are the quantum number by which an electron in an atom can be designated? (ii) What is the maximum number of quantum numbers that may be the same for two electrons ofo an atom?

CHHAYA PUBLICATION-STRUCTURE OF ATOM-QUESTION ANSWER ZONE FOR BOARD EXAMINATION (VERY SHORT ANSWER TYPE)
  1. Bohr's theory is not applicable to which of the following species? (1)...

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  2. Balmer series of hydrogen spectrum lies in which region?

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  3. Mention the most important application of de-Broglie concept.

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  4. how are frequency and wave number of electromagnetic radiation related...

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  5. A electron beam after passing through a thin foil of gold produces a d...

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  6. What is a quantum?

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  7. What happens when an electron hits a zinc sulphide screen and what doe...

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  8. Write an expression for the wavelength acquired by an electron acceler...

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  9. Out of X-rays, gamma-rays and microwaves which one has the highest and...

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  10. What is the unit of Planck's constant in S.I. ? What other physical qu...

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  11. Arrange the given subshells in the increasing order of their energies:...

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  12. What is the main difference between wave emitted by an electric bulb a...

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  13. Do atomic orbitals have sharp boundaries?

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  14. At what distance from the nucleus is the radial probability maximum fo...

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  15. In which shell (s), there is no existence of d-subshell?

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  16. Write the values of the four quantum numbers of the electron(s) in the...

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  17. Out of the four quantum number which one does not results from the sol...

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  18. Which is most paramagnetic among Cu^(2+), Fe^(2+) and Cr^(3+) and why...

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  19. Why splitting of spectral lines is observed when the source producing ...

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  20. The 4f-subshell of an atom contains 12 electrons. What is the maximum ...

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