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The Photon Model

For a certain...

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For a certain metal the K absorption edge is at 0.172 \overset0A. The wavelength of lines of K_α,K_β, and K_γ lines of K series are 0.210\overset oA, 0.192 \overset oA and 0.180\overset oA respectively. The energies of K, L and M Orbits are E_k, E_L and E_M respectively. Then, (a) E_K= -13.04keV (b) E_L= -7.52keV (c) E_M= -3.21keV (d) E_K= 13.04keV

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Q. For a certain metal, the

K

absorption edge is at

0.172 ˚ A

. The wavelength of

K_{α}, K_{β}

K_{γ}

K

0.210 ˚ A, 0.192 ˚ A

0.108 ˚ A

respectively. The energies of

K, L

M

E_{K}, E_{L}

E_{M}

, respectively. Then

Q. The wavelength

λ

K_{β}

X-Ray is given by:

K_{α}

x-ray emission line of tungsten occurs at

λ

= 21 pm. What is the energy difference between

E_{K}

E_{L}

levels in this atom (MeV refers to mega electron volts;1MeV =

10^{6}

eV and hc = 1242 eVnm)?

O A, O B, O C

are there mutually perpendicular straight lines in space. If

¯ ¯¯¯¯¯¯ ¯ O A = a, ¯ ¯¯¯¯¯¯ ¯ O B = b

¯ ¯¯¯¯¯¯ ¯ O C = c

, then the volume of the pyramid

O A B C

\frac{a b c}{k}

. Find the value of

k

E_{P}

E_{K}

are the potential energy and kinetic energy of the electron in stationary orbit in the hydrogen atom, the value of

\frac{E_{p}}{E_{K}}

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