Write the relation between `^nP_r` and `^nC_r`

Write the relationship between r and a in bcc structure?

Write the relation between work, displacement and force.

Write the relation between alpha, beta and gamma .

Write the relation between power P, work done W and time t.

If the radius of the octahedral void is r and the radius of the atoms in close packing is R, derive the relation between r and R.

write down the relation between physics and technology.

Write the relation between frequency (upsilon) and time period (T)

What is the relation between r.m.s value and peak value?

Write down the relation between speed, distance travelled by the body and time taken.