Quantum Mechanics Answers

Using uncertainty principle show that an electron can't stay inside the nucleus . Radius of nucleas =5 ×10^-15

Calculate de broglie wavelength and velocity of an electron carrying kinetic energy 3keV

How is operator p2=1 in the eigenstate of the symmetric and antisymmetric wavefunctions

Explain symmetric and antisymmetric function using three identical particles

The gorilla, feeling exuberant, throws a 0.50kg banana straight up in the air from the ground with an initial energy of 30j. How high will the banana travel up?

Suppose two students measure the length of a piece of wire three times each. Student A obtains results of 8.09,

8.10, and 8.11 centimeters. Student B obtains determines a length of 8.1 centimeters for all of his three

measurements. Although the average length found for each student’s measurements was 8.1 cm, what

qualitative statements can be made concerning the measurements made by students A and B?

A linear combination of two wave functions for a system is also a valid wave function. Find the normalization constant for the combination ψ = B(sin nπx L + sin πx L ) of the wave functions for the n = 1 and n = 2 states of a particle in a box L wide

Relation between group velocity and phase velocity

A body of volume 36cc floats with ¾ of its volume submerged in water. The density of body is

a) 0.25 g/cc

b) 0.75 g/cc

c) 0.9 g/cc

d) 0.1 g/cc

Which one of the following is not a kinematic variable that appears in the equations of kinematics?