Question

The wavelength of the γ-ray emitted in

is _______ Å. (rounded off to three decimal places)
[Given: h=6.626×10 −34 J s; c=2.998×108 m s−1 ; 1 MeV=1.602×10−13 J]

Answer 1

The correct answer is: 0.017 to 0.021 (approx).