The potential energy of a particle of mass m is given by
U(x)= { E0; ≤ x ≤ 10;
{ 0: x>1.
λ1 and λ2 are the de-Broglie wavelengths of the particle, when 0≤x≤1 and x>1 respectively. If the total energy of particle is 2E0, the ratio λ1/λ2 will be
A. 2
B. 1
C. √2
D. 1√2