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The ratio between the neutrons present i...

The ratio between the neutrons present in carbon atom and silicon atoms with mass numbers 12 and 28 is 

A

`7:3`

B

`3:7`

C

`1:2`

D

`2:1`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-ATOMIC STRUCTURE-OBJECTIVE EXERCISE - 2
  1. The constancy of e/m ratio for electron shows that

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  2. The costancy of e/m ratio for electron shows that

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  3. The ratio between the neutrons present in carbon atom and silicon atom...

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  4. The number of nucleons in the isotope of an atom ""(z)X^(m) are

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  5. An oxide of nitrogen has a molecular weight of 30. Total number of ele...

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  6. Maximum sum of the number of neutrons and protons in an isotope of hyd...

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  7. Consider the following pairs of ions  A) Sc^(+3) and Ti^(+4) B) Mn...

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  8. Mass numbers of Li, Be and B are 7, 9 and 10 respectively. Which of th...

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  9. The energy required to melt 1g. Ice is 33J. The number of quanta of ra...

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  10. According to Planck's Quantun theory, the correct statements are (a...

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  11. Energy equal to the mass of one electron is

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  12. Which of the following statements is incorrect?

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  13. Find the ratio of energy of a photon of 2000 Å wavelength radiation to...

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  14. The energy of an electromagnetic radiation is 3 xx 10^(-12) ergs. What...

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  15. If a metal is irradiated with light of frequency 3 xx 10^(19) sec^(-1)...

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  16. In a photoelectric experiment, kinetic energy of photoelectrons was pl...

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  17. Calculate the mass of a photon with wavelength 3.6 Å.

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  18. The wavelength of the first member of the  Balmer series in hydrogen s...

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  19. Which of the following transitions will have minimum wavelength ?

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  20. The ratio of wavelength values of series limit lines (n(2) =oo) of Bal...

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