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The wavelength of the K(alpha) line for ...

The wavelength of the `K_(alpha)` line for an element of atomic number 57 is `lambda` . What is the wavelength of the `K_(alpha)` line for the element of atomic number29 ?

A

11

B

44

C

6

D

4

Text Solution

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The correct Answer is:
C
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The wavelength of the K_(a) line for an element of atomic number 57 is alpha .The wavelength of the K_(a) line for the element of atomic number 29 is b alpha . Find b .

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Knowledge Check

  • The wavelength of K_(alpha) line for an element of atomic number 43 is lambda . Then the wavelength of K_(alpha) line for an element of atomic number 29 is

    A
    `(43)/(29) lambda`
    B
    `(42)/(28) lambda`
    C
    `(9)/(4) lambda`
    D
    `(4)/(9) lambda`

  • If lambda_(Cu) is the wavelength of K_(alpha) X-ray line of copper (atomic number 29 ) and lambda_(Mo) is the wavelength of the K_(alpha) X-ray line of molybdenum (atomic number 42 ),then the ratio lambda_(Cu)//lambda_(Mo) is close to

    A
    `1.99`
    B
    `2.14`
    C
    `0.50`
    D
    `0.48`

  • The ratio of wavelength of K_alpha line of an element with atomic number 61 to wavelength of K_alpha line of an element with atomic number 21 is

    A
    `3:1`
    B
    `4:1`
    C
    `1:9`
    D
    `2:1`

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    if lambda_(Cu) is the wavelength of K_alpha , X-ray line fo copper (atomic number 29) and lambda_(Mo) is the wavelength of the K_alpha X-ray line of molybdenum (atomic number 42), then the ratio lambda_(Cu)/lambda_(Mo) is close to (a) 1.99 (b) 2.14 (c ) 0.50 (d) 0.48

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    The K_(alpha) line from molybdenum (atomic number=42) has a wavelength off .7078Å. The wavelength off K_(alpha) line of zinc (atomic number=30) will be

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