What is the energy of K- X-ray photon of copper Z- 29 -

The correct option is A 7.99Ke V K_α ray (n=2) → (n=1) E = 13.6 (Z 1)^2 (12^2 1) E = 28^2 × 13.6 × 0.75eV E = 8 KeV ...

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Byju's Answer

Standard XII

Physics

Energy Levels

What is the e...

Question

What is the energy of $K_{α}$ X-ray photon of copper (Z= 29) ?

7.99 K e V

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8.29 K e V

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8.25 K e V

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7.19 K e V

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Solution

The correct option is A $7.99 K e V$
$K_{α}$ ray
$(n = 2) \to (n = 1)$
$E = - 13.6 (Z - 1)^{2} (\frac{1}{2^{2}} - 1)$
$E = 28^{2} \times 13.6 \times 0.75 e V$
$E = 8 K e V$

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Similar questions

Q. If

λ_{c u}

is the wavelength of

K_{α},

X-ray line of copper (atomic number 29) and

λ_{M o}

is the wavelength of the

K_{α}

X-ray line of molybdenum (atomic number 42), then the ratio

λ_{c u} / λ_{M o}

is close to :

X -

rays emitted from a copper target and a molybdenum target are found to contain a line of wavelength

22.85 n m

attributed to the

K_{α}

line of an impurity element. The

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(Z = 29)

and molybdenum

(Z = 42)

have wavelengths

15.42 n m

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7.12 n m

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Q. A certain element emits

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. The

K_{α} X-ray

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(Z = 13)

and zinc

(Z = 30)

have wavelengths

887 pm

and

146 pm

respectively. Use Moseley’s law

\sqrt{ν} = a (Z - b)

to find the element.

(h c = 1242 eV-nm)

Q. The energy level diagram of

K_{α}

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Q. An element with atomic number

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What is the energy of Kα X-ray photon of copper (Z= 29) ?

The correct option is A 7.99KeVKα ray(n=2)→(n=1)E=−13.6(Z−1)2(122−1)E=282×13.6×0.75eVE=8KeV

What is the energy of $K_{α}$ X-ray photon of copper (Z= 29) ?

The correct option is A $7.99 K e V$
$K_{α}$ ray
$(n = 2) \to (n = 1)$
$E = - 13.6 (Z - 1)^{2} (\frac{1}{2^{2}} - 1)$
$E = 28^{2} \times 13.6 \times 0.75 e V$
$E = 8 K e V$