AP EAMCET Engineering 23 Apr 2019 Shift 1 Paper

The mass of the particle is calculated using de-Broglie relation:
λ=

h

mv

m=

h

λ×v

Here, the wavelength of particle is λ and the speed of moving particle is v.
Substitute the given value in above expression.
m=

6.626×10−34Js

3.313×2×108×10−10

=1×10−32kg