Home
Class 12
PHYSICS
Electrons with energy 80 keV are inciden...

Electrons with energy `80 keV` are incident on the tungsten target of an X - rays tube , k- shell electrons of tungsten have `72.5 keV` energy X- rays emitted by the tube contain only

A

a cntinuous X - rays spectrum with a minimum wavelenght of 0.155 Å

B

a continuous X - rays spectrum with all wavelenght

C

The characteristic X - rays spectrum of tungsten

D

a continuous X - rays spectrum with a minimum wavelenght of 0.155 Å and the characteristic x - rays spectrum of tungsten.

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF RADIATION AND MATTER

    NARAYNA|Exercise C. U. Q|88 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    NARAYNA|Exercise EXERCISE - 1 (C.W)|40 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    NARAYNA|Exercise EVALUTATE YOURSELF - 3|5 Videos
  • CURRENT ELECTRICITY

    NARAYNA|Exercise Level 6|43 Videos
  • DUAL NATURE

    NARAYNA|Exercise LEVEL-II (H.W)|17 Videos

Similar Questions

Explore conceptually related problems

Electrons with energy 80 keV are incdent on the tungsten target of an X - rays tube , k- shell electrons of tangsten have 72.5 keV energy X- rays emitted by the tube constain only

Electrons with de-Broglie wavelength lambda fall on the target in an X-ray tube. The cut-off wavelength of the emitted X-ray is

The target element in an X-ray tube must have a high

Eletrons with de- Broglie wavwlength lambda fall on the target in an X- rays tube . The cut off wavelength of the emitted X- rays is

In an X - rays tube , the intensity of the emitted X - rays beam is increased by

The shorted wavelength of X- rays emitted from an X- rays tube depends on

X-ray are emitted by a tube containing the electron gt Noibum (Z = 41) as anticathode and the K_(alpha) X-ray an allowed to be incident on an unknown gas containing hydrogen- like atom ions. It is found that the X-ray cause the emission of photoelectrons with an energy of 2.7 keV from these ions. Find a. the minimum voltage at which the X-ray tube should be opreated so that the momentum of the emitted photoelectrons is doubled. b. the approximate value of Z for the target of the anticathode after the momentum has been doubled. c. the approximate value of Z the atomic number of the atom of the gas. d. the number of the ion produced in the gas caused by X-ray , if the inetensity of X-ray is 100 mWm^(-2) and 1% of the X-rays cause ionization.

The potential difference between the cathode and the target in a Collidge tube is 100 kV . The minimum wavelength of the X-rays emitted by the tube is