Which of the following are wrong statements ?

Options

A. de Broglie relation is applicable only to microscopic particles
B. The uncertainities in measurements are due to the imperfections of the techniques used to measure them.
C. The wave function `Psi` always has positive values.
D. There is some probability of finding the electron even outside the boundary of the orbital.

Answer

A, B, C, D

Explanation

a) is wrong because de Broglie relation is applicable to all moving particles though it has significance only for microscopic particles.
b) is wrong because the uncertainities in measurement are not due to the measuring device values.