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Calculate wave number...

Calculate
wave number

A

`2.5 mu m`

B

`250 mu m`

C

`25 mu m`

D

25 nm

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-ATOMIC STRUCTURE-Objective exercise - 1
  1. A sound wave is sent into a gas pipe . Does its internal energy change...

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  2. A wave has a frequency of 3 xx 10^(15) sec^(-1). The energy of that ph...

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  3. Calculate wave number

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  4. The energy of an electromagnetic radiation is 19.875 xx 10^(-13) ergs....

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  5. According to the Moseley's law, the frequency of a spectral line in X-...

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  6. Antibiotic obtained from lichens is

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  7. The Lyman series of hydrogen spectrum lies in the ultraviolet region. ...

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  8. (A) Hydrogen atom consists of only one electron but its emission spect...

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  9. Whwn the electron in an excited hydrogen atom jumps from an energy lev...

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  10. When the electron in hydrogen atom jumps from the second orbit to the...

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  11. Which one of the following series of line is found in the UV region of...

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  12. What is the energy which is used to remove an electron from it...

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  13. The number of spectral lines in hydrogen atom are

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  14. n(1) value in Balmer series is

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  15. The value of Planck's constant in SI unit is

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  16. Whwn the electron in an excited hydrogen atom jumps from an energy lev...

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  17. Among the first lines of Lyman,Balmer, paschen and Brackett series in ...

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  18. What are the values of n1 and n2 for the 2nd line in the Lyman series ...

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  19. The series corresponding to minimum wave- length transition in H-atom

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  20. Electrons from n = 2 to n= 1 in hydrogen atom is made to fall on a met...

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