A Particle Is in the Second Excited State of a One-Dimensional

Multiple Choice

A particle is in the second excited state of a one-dimensional box of length 1.0 m.What is its momentum (in kg . m/s) ?

A) 6.6 *10 ^{- 34}
B) 3.3 *10 ^{- 34}
C) 9.9 * 10 ^{- 34}
D) 13 *10 ^{- 34}
E) cannot be solved unless mass of particle is known