TS EAMCET 04 May 2019 Shift 1 Solved Paper

The expression for the wavelength of the charged particle is given by
λ=‌

h

p

‌‌‌‌‌⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅(I)
The value of p is written as,
p=√2mKE‌‌‌‌‌⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅(II)
Equate equation (1) and (2)
λ=‌

h

√2mKE

Substitute the given values in theabove equation.
λ‌‌=‌

h

√2mKE

‌‌=‌

6.4×10−34

√2×8×10−31×3×103×1.6×10−19

‌‌=0.4‌AA