Home

Physics - Modern Physics Question with Solution | TestHub

PhysicsModern PhysicsX-raysMedium2 minQB

PhysicsMediumsingle choice

The wavelength λ of the K_α X-ray line from a target element of atomic number Z varies as:

Options:

Answer:

D

Solution:

Moseley's law:

$f = a (Z - b)$

Therefore,

$λ \propto (Z - b)^{- 2}$

For K_α line, $b = 1$ .

Stream:JEESubject:PhysicsTopic:Modern PhysicsSubtopic:X-rays

⏱ 2mℹ️ Source: QB

Doubts & Discussion

Loading discussions...