If the frequency of X-rays emitted from the element with atomic number is

PHYSICS · Single correct · A Level · Physics · Particles and radiation · Particles and radiation

Problem

If the frequency of

K_\alpha

X-rays emitted from the element with atomic number

31

f

, then the frequency of

K_\alpha

X-rays emitted from the element with atomic number

51

is (1)

\frac{5f}{3}

(2)

\frac{51f}{31}

(3)

\frac{9f}{25}

(4)

\frac{25f}{9}