The wavelength of a photon is `1.4 Å`. It collides with an electron. Its wavelength after collision is `2.0 Å`. Calculate the energy of the scattered

Correct Answer - 5 In the particular excited state of H-atom, path length is five times the de-Broglie wavelength. `:. 2pir=5lambda …(1)` However, path length in a sate `n` is `n`...

Correct Answer - 1.98MeV.

Correct Answer - (a) No (b) `m_(0)=(h^(2)v^(2))/(2c^(2)[hv-2m_(0)c^(2)])`

Correct Answer - (i) 1.1 eV (ii) `1.6 xx 10^(-6) A` ; unchanged

Correct Answer - 0.6875 Å

Correct Answer - n=3

Correct Answer - 5893 Å

Correct Answer - `[beta_(max) = sin^(-1).(m_(1))/(m_(2)) = 30^(@)]`

Correct Answer - `[11.2eV]`

Correct Answer - `[1224 Å]`