Author Question: If the position of an electron is measured very precisely there is an uncertainty in measuring its ... (Read 107 times)

2125004343 · **on:** Jul 29, 2018

If the position of an electron is measured very precisely there is an uncertainty in measuring its

A)

kinetic energy.
B)

momentum.
C)

potential energy.
D)

thermal energy.
E)

None of the other answers is correct.

Question 2

If a source of light is moving away at 10 the speed of light, its wavelength will

A)

be lengthened by 22.
B)

be lengthened by 11.
C)

be shortened by 22.
D)

be shortened by 11.
E)

remain unchanged.