Question

An element of atomic number 16 has a wavelength 2 for the K, line. What is the
wavelength of the K line emitted by an element of atomic number 31.
(a) 32
a
(b)
2.
(c) 62
a
(d)
4​

Answer 1

Answer:

λ

1

​

=R(z−b)

2

(

1

1

​

−

2

2

1

​

)

λ

1

​

=R(43−)

2

4

3

​

λ

1

​

=1323R

Now

λ

1

​

=R(29−1)

2

4

3

​

λ

′

λ

​

=588R

λ

λ

′

​

=

588

1323

​

λ

λ

′

​

=

4

9

​

Explanation:

Answer 2

Answer:

a

Explanation:

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