X-rays are incident normally on a crystal of lattice constant 0.6 nm. The first order reflection on diffraction from the crystal occurs at an angle of 30o. What is the wavelength of X-rays used?
We use Bragg’s equation . Here order n = 1, andd = 0.6 nm.
= 0.6 nm.
X-rays can be diffracted from crystals like the diffraction of light from a grating. The crystal grating for X-rays has a grasting element
In the continuous part of the spectrum of X-rays the limiting frequency is
An X-ray photon has a wavelength of 0.02 Å. Its momentum is
The potential difference applied to an X-ray tube is increased. As s result, in the emitted radiation,
In an X-ray tube, electrons accelerated through a very high potential difference strike a metal target. If the potential difference is increased, the speed of the emitted X-rays
The operating voltage in an X-ray tube is 10 kV. The maximum energy of the emitted X-ray photons will be
An X-ray tube is operated at 66 kV. Then, in the continuous spectrum of the emitted X-rays
The minimum wavelength of X-rays produced in an X-ray tube is when the operating voltage is V. What is minimum wavelength of the X-rays when the operating voltage is ?
The maximum frequency of X-rays produced in an X-ray tube is v when the operating voltage is V. What is the maximum frequency of the X-rays when the operating voltage is ?
The wavelength of line from an element of atomic number 41 is . Then the wavelength of line of an element of atomic number 21 is