The X-ray coming from a Coolidge tube ha...

The X-ray coming from a Coolidge tube has a cutoff wavelength of 80 pm. Find the kinetic energy of the electrons hitting the target.

Text Solution

Verified by Experts

`lambda=80p m `
` E=(hc)/lambda=1242/(80xx10^-3 )`
` 15.525xx10^3 eV `
` =15.5KeV`

Topper's Solved these Questions

X-Rays
HC VERMA|Exercise Objective 2|8 Videos
THERMAL AND CHEMICAL EFFECT OF ELECTRIC CURRENT
HC VERMA|Exercise Exercises|24 Videos

Similar Questions

Explore conceptually related problems

In an excited state of hydrogen like atom an electron has total energy of -3.4 eV . If the kinetic energy of the electron is E and its de-Broglie wavelength is lambda , then

The wavelength of light from the spectral emission line of sodium is 589 nm.Find the kinetic energy at which an electron .

An electron and a photon each have a wavelength of 1.00 nm. Find (a) their momenta, (b) the energy of the photon, and (c) the kinetic energy of electron.

An electron and a photon each have a wavelength of 1.00 nm. Find (a) their momentum , (b) the energy of the photon and (c) the kinetic energy of electron.

The Ka X-ray of molybdenum has wavelength 71 pm. If the energy of a molybdenum atom with a K electron knocked out is 23:32 keV, what will be the energy of this atom when an L electron is knocked out?

The wavelength of light from the spectral emission line of sodium is 589 nm. Find the kinetic energy at which (a) an electron, and (b) a neutron, would have the same de Broglie wavelength.

The photons from the Balmer series in Hydrogen spectrum having wavelength between 450 nm to 700 nm are incident on a metal surface of work function 2 eV Find the maximum kinetic energy of ejected electron (Given hc = 1242 eV nm)

Statement - 1 : When ultraviolet light is incident on a photocell , its stopping potential is V_(0) and the maximum kinetic energy of the photoelectrons is K_(max) when the ultraviolet light is replaces by X- rays both V_(0) and K_(max) increase Statement - 2 : Photoelectrons are emitted with speeds ranging from zero to a maximum value became of the range of frequencies present in the incident light

Intensity of x-rays coming from an x-ray tube is plotted against wavelength as shown:-

HC VERMA-X-Rays-Exercises

Find the cutoff wavelength for the continuous X-rays coming form an X-...
Text Solution
|
What potential difference should be applied across an X-ray tube to ge...
Text Solution
|
The X-ray coming from a Coolidge tube has a cutoff wavelength of 80 pm...
Text Solution
|
If the operating potential in an X-ray tube is increased by 1%, by wha...
Text Solution
|
The distance between the cathode (filament) and the target in an X-ray...
Text Solution
|
The short-wavelength limit shifts by 26 pm when the operating voltage ...
Text Solution
|
The electron beam in a colour TV is accelerated through 32 kV and then...
Text Solution
|
When 40 kV is applied across an X-ray tube, X-ray is obtained with a m...
Text Solution
|
An X-ray tube operates at 40 kV. Suppose the electron converts 70% of ...
Text Solution
|
The wavelength of Kalpha X-ray of tungsten is 21*3 pm. It takes 11*3 k...
Text Solution
|
The Kbeta X-ray of argon has a wavelength of 0.36 nm. The minimum ener...
Text Solution
|
The kalpha X-rays of aluminium (Z = 13 ) and zinc ( Z = 30) have wavel...
Text Solution
|
A certain element emits Kalpha X-ray of energy 3*69 keV. Use the data ...
Text Solution
|
The kbeta X-rays from certain elements are given below. Draw a Moseley...
Text Solution
|
Use Moseley's law with b = 1 to find the frequency of the Kalpha X-ray...
Text Solution
|
The Kalpha and Kbeta X-rays of molybdenum have wavelengths 0*71 A and ...
Text Solution
|
The wavelength of Kalpha and Lalpha X-rays of a meterial are 21.3 pm a...
Text Solution
|
The energy of a silver atom with a vacancy in K shell is 25.31 keV, in...
Text Solution
|
Find the maximum potential difference which may be applied across an X...
Text Solution
|
The electric current in an X-ray tube (from the target to the filament...
Text Solution
|