Beta Question Bank for Medical: Physics>Chapter 33 - Atomic Physics>Exercise (Conceptual Questions)>Q 20

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If the potential difference applied to an $X -$ ray tube is $V$ volt, then the minimum wavelength of $X -$ rays produced is about (in $Å$ ):-

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Important Questions on Atomic Physics

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Beta Question Bank for Medical: Physics>Chapter 33 - Atomic Physics>Exercise (Conceptual Questions)>Q 21

The minimum wavelength of

X

-rays produced by electrons accelerated by a potential difference of

V volt

is equal to:

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Beta Question Bank for Medical: Physics>Chapter 33 - Atomic Physics>Exercise (Conceptual Questions)>Q 23

If

V

be the accelerating voltage, then the maximum frequency of continuous

X

-rays is given by

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Beta Question Bank for Medical: Physics>Chapter 33 - Atomic Physics>Exercise (Conceptual Questions)>Q 24

The shortest wavelength of X-rays emitted from an X-rays tube depends upon

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Beta Question Bank for Medical: Physics>Chapter 33 - Atomic Physics>Exercise (Conceptual Questions)>Q 25

In an X-ray tube, the intensity of the emitted X-ray beam increased by:

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Beta Question Bank for Medical: Physics>Chapter 33 - Atomic Physics>Exercise (Conceptual Questions)>Q 26

In an

X -

ray tube, electrons accelerated through a potential difference of

15000 V

strike a copper target. The speed of the emitted

X -

rays from the tube is :-
[

e =

charge on the electron,

m =

mass of the electron,

Z =

atomic number of target]

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Beta Question Bank for Medical: Physics>Chapter 33 - Atomic Physics>Exercise (Conceptual Questions)>Q 27

The momentum of a photon in an

X -

ray beam of

10^{10}

m

wavelength is:-

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Beta Question Bank for Medical: Physics>Chapter 33 - Atomic Physics>Exercise (Conceptual Questions)>Q 28

The energy of a photon of light with wavelength

5000 A_{}^{\circ}

is approximately

x eV .

This way the energy of an

X -

ray photon with wavelength

1 A_{}^{\circ}

would be:-

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Beta Question Bank for Medical: Physics>Chapter 33 - Atomic Physics>Exercise (Conceptual Questions)>Q 29

The kinetic energy of an electron which is accelerated through a potential of

100

volts is :-