Moseley’s Law
Moseley’s Law: Overview
This topic covers concepts, such as, Different Series in Characteristic X-rays, Wavelength and Energy of Emitted X-ray Photons, Identifying Elements from X-ray Spectrum, Bragg's Diffraction & Moseley's Law in Characteristic X-rays etc.
Important Questions on Moseley’s Law
The element which has a -rays line of wavelength is and

If (nical) is used as target material, then is minimum wavelength produced in -ray tube and is the wavelength of line. If the operating tube voltage is increased and (calsium) is used as target material in place of then the difference will :

A student is jogging on a straight path with the speed per hour. Perpendicular to the path is kept a pipe with its opening from the road (see figure). Diameter of the pipe is At the other end of the pipe is a speaker emitting sound of towards the opening of the pipes. As the student passes in front of the pipe, she hears the speaker sound for seconds. is in the range (take speed of sound, ):

What is the atomic number of the element whose wavelength of line of characteristic $X-$ray is (Rydberg constant

The wavelength of a certain line in the -rays spectrum for tungsten is . What would be the wavelength of the same line for platinum The screening constant is unity.

A screen is place from a single slit, which is illuminated with light. If the distance between the first and third minima in the diffraction pattern is the width of the slit is

Use Moseley's law with to find the frequency of the -rays of . if the frequency of the -rays of is known to be

The wavelength of line from an element of atomic number is . From another element the wavelength of line is . What is the atomic number of second element?

A cobalt (atomic no. ) target is bombarded with electrons and the wave lengths of its characteristic -rays spectrum are measured. A second weak characteristic spectrum is also found due to an impurity in the target. The wavelength of the lines are (cobalt) and (impurity). Atomic number of the impurity is

If the radiation of has a wavelength array of calculate wavelength of the end array corresponding radiation of i.e., for assuming


For X-ray diffraction, order of size of obstacle is:


If the operating voltage of X-ray tube is then velocity of X-ray :-

In E.M. waves spectrum rays region lies between

Absorption of ray is maximum in which of the following sheets?

The wavelength of line for an element of atomic number is Then what is the wavelength of line for an element of atomic number ?

The wavelength of the -rays produced by an -ray tube is . What will be the atomic number of anode material?

For characteristic -ray of some material, which of the following must be true?

The -rays arising from a cobalt target have a wavelength of Which of the following is true about the -rays arising from a nickel target ?
