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The value of plank constant is 6.63 x...

The value of plank constant is 6.63 `xx 10^(10^(34) kg` the speeds light is `3xx 10^(17) nms^(-1)` which value is clossed to the wavelength in nanometer of a quantum of light with frequency of `6 xx 10^(15) s^(-1)` ?

A

25

B

50

C

75

D

10

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The correct Answer is:
B
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KUMAR PRAKASHAN-STRUCTURE OF ATOM-Section -C (MCQs asked in Jee NEET AIEEE )
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  2. The electron identified by quantum number n and l

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  3. The value of plank constant is 6.63 xx 10^(10^(34) kg the speeds ...

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  4. What is the maximum number of electrons that can be associated with th...

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  5. Energy of an electron is given by E=-2.718*10-18 J Wavelength of light...

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  6. the correct set of the four quantum number for the valence electro...

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  7. What is the maximum number of orbitals that can be identified with the...

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  8. Calculate the energy in corresponding to light of wavelength 45 nm. (P...

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  9. What is the maximinn number of orbitals that can be identified with th...

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  10. Based on equation E=-2.178 xx10^(-15)J (z^(2))/(n^(2)) certain conclu...

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  11. The angular m om entum of electron in ‘d ’ orbital is equal to

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  12. Which of the following is the energy of a possible excited state of hy...

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  13. A stream of electrons from a heated filament was passed between two ch...

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  14. Two electrons occupying the same orbital are distinguished by

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  15. How many electrons can fit in the orbital for which n = 3 and Z = 1 ?

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  18. The frequency transition n = 4 to n = 2 of He+ is equal to the transit...

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  19. (e )/(m) ratio was determined by

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