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The electron in a hydrogen atom is in n=...

The electron in a hydrogen atom is in n=2 state. When it drops to the ground state a photon is emitted. What is the wavelength of photon?

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In absorbing 10.2 eV energy, the electron of a hydrogen atom jumps from its initial orbit to next higher energy orbit . As the electron returning to the former orbit, a photon is emitted. What is the wavelength of this photon ?

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UNITED BOOK HOUSE-MODEL PAPER SET-14-EXERCISE
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  2. Why any object get heated easily in microwave if it has moisture in it...

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  3. The electron in a hydrogen atom is in n=2 state. When it drops to the ...

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  8. Obtain for the magnetic induction, vector at a point on the axis of a ...

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  9. State the Einstein photoelectric equation.

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  10. The de Broglie wavelength of a proton and an electron are same, then w...

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  11. A photon and a proton have the same de – Broglie wavelength λ.Show tha...

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  20. Obtain the relation between brewster’s angle and the refractive index ...

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