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X- rays are produced in an X- rays tube ...

X- rays are produced in an X- rays tube operating at a given accelerating voltage . The wavelength of the continuous X- rays has values from

A

`0"to"oo`

B

`lambda_(min)"to"oo"where"lambda_(min)gt0`

C

`0"to" lambda_(min)"where"lambda_(max)ltoo`

D

`lambda_(min)"to"lambda_(max)"where"0ltlambda_(min)lt_(max)ltoo`

Text Solution

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The correct Answer is:
B
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X-ray are produced in an X-ray tube operating at a given accelerating voltage. The wavelength of the continuous X-ray has values from. (a) 0 to oo (b) lambda_(min) to oo, where lambda_(min) gt 0 (c ) 0 to lambda_(max), where lambda_(max) ltoo (d) lambda_(min) ot lambda_(max) , where 0ltlambda(min) lt lambda_(max) lt oo

The minimum wavelength of X-rays produced in an X-ray tube is lambda when the operating voltage is V. What is the minimum wavelength of the X-rays when the operating voltage is V/2?

Knowledge Check

  • X- rays are produced in an X- rays tube operating at a given accelerating voltage . The wavelength of the contimous X- rays has values from

    A
    `0 to oo`
    B
    `lambda_(min) to oo` where `lambda_(min) gt 0`
    C
    ` 0 to lambda_(max)` where `lambda_(mx) lt oo`
    D
    `lambda_(min) tolambda_(max)` where `0lt lambda_(min) lt tolambda_(max) lt oo`

  • The shortest wavelength produced in an X-ray tube operating at 0.5 million volt is

    A
    dependent on the target element
    B
    about `2.5 xx 10^(-12) m`
    C
    double of the shortest wavelength produced at `1` milllion volt
    D
    dependent only on the target material

  • If V be the accelerating voltage, then the maximum frequency of continuous X-rays is given by

    A
    `(eh)/(V)`
    B
    `(hV)/(e)`
    C
    `(eV)/(h)`
    D
    `(h)/(eV)`

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