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The potential difference applied to an X...

The potential difference applied to an X-ray tube is increased. As a result, in the emitted radiation,

A

(a)the intensity increases

B

(b)the minimum wavelength increases

C

(c)the intensity decreases

D

(d)the minimum wavelength decreases

Text Solution

Verified by Experts

The correct Answer is:
A, D
`lambda_(min) prop 1/V` if `V uarr` then `(lambda_(min)) darr`
No. of collision per electron increase then intensity increase
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Knowledge Check

  • The potential difference applied to an X-ray tube is 5 kV and the current through it is 3.2 mA. The number of electrons stricking the target per second is ...... (Take e=1.6xx10^(-19)C)

    A
    `4xx10^(16)`
    B
    `2xx10^(16)`
    C
    `1.6xx10^(16)`
    D
    `2xx10^(-6)`

  • Which metal is used in the window of X-ray tubes ?

    A
    Zn
    B
    Mg
    C
    Be
    D
    Ca

  • A parallel plate air capacitor has capacity 'C' distance of separation between plates is 'd' and potential difference 'V' is applied between the plates force of attraction between the plates of the parallel plate air capacitor is :

    A
    `(C^(2)V^(2))/(2d^(2))`
    B
    `(C^(2)V^(2))/(2d)`
    C
    `(CV^(2))/(2d)`
    D
    `(CV^(2))/(d)`

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