Uncertainty Principle Using Momentum and Position: What is the minimum uncertainty in determining the position of an electron if the speed of the electron is 6.0 km/s within an accuracy of 0.0040%? (melectron = 9.11 × 10-31 kg, h = 6.626 × 10-34 J ? s)
A. 0.11 mm
B. 0.15 mm
C. 0.24 mm
D. 0.34 mm
E. 0.48 mm
Answer: E
You might also like to view...
Electric generating plants are usually rated in "megawatts". This is a unit of
A) force. B) power. C) energy. D) both energy and work. E) work.
A sample of matter that contains atoms that all have the same number of protons is
a. an element. b. a substance. c. a compound. d. a homogeneous mixture.
There is some possibility that humanity could ruin large parts of the environment through concentration on individual gain at societal cost. This is known as
a. the tragedy of the commons. b. freedom. c. the free lunch. d. the outcome of economic progress. e. sustainable development.
Thin Films: A light beam with wavelength 500 nm is reflected constructively from a thin layer of oil having index of refraction 1.25. The oil floats on the top of water of index of refraction 1.33. What is the minimum thickness of the layer of oil?
A. 100 nm B. 150 nm C. 175 nm D. 200 nm E. 225 nm